248881275

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 518404320

約数和(自身を除く): 269523045

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 27, 41, 45, 51, 69, 75, 85, 115, 123, 135, 153, 205, 207, 225, 255, 345, 369, 391, 425, 459, 529, 575, 615, 621, 675, 697, 765, 943, 1025, 1035, 1107, 1173, 1275, 1587, 1725, 1845, 1955, 2091, 2295, 2645, 2829, 3075, 3105, 3485, 3519, 3825, 4715, 4761, 5175, 5535, 5865, 6273, 7935, 8487, 8993, 9225, 9775, 10455, 10557, 11475, 13225, 14145, 14283, 15525, 16031, 17425, 17595, 18819, 21689, 23575, 23805, 25461, 26979, 27675, 29325, 31365, 39675, 42435, 44965, 48093, 52275, 52785, 65067, 70725, 71415, 80155, 80937, 87975, 94095, 108445, 119025, 127305, 134895, 144279, 156825, 195201, 212175, 224825, 240465, 242811, 263925, 325335, 357075, 368713, 400775, 404685, 432837, 470475, 542225, 585603, 636525, 674475, 721395, 976005, 1106139, 1202325, 1214055, 1626675, 1843565, 2023425, 2164185, 2928015, 3318417, 3606975, 4880025, 5530695, 6070275, 9217825, 9955251, 10820925, 14640075, 16592085, 27653475, 49776255, 82960425, 248881275]

約数ペア:

[(1, 248881275), (3, 82960425), (5, 49776255), (9, 27653475), (15, 16592085), (17, 14640075), (23, 10820925), (25, 9955251), (27, 9217825), (41, 6070275), (45, 5530695), (51, 4880025), (69, 3606975), (75, 3318417), (85, 2928015), (115, 2164185), (123, 2023425), (135, 1843565), (153, 1626675), (205, 1214055), (207, 1202325), (225, 1106139), (255, 976005), (345, 721395), (369, 674475), (391, 636525), (425, 585603), (459, 542225), (529, 470475), (575, 432837), (615, 404685), (621, 400775), (675, 368713), (697, 357075), (765, 325335), (943, 263925), (1025, 242811), (1035, 240465), (1107, 224825), (1173, 212175), (1275, 195201), (1587, 156825), (1725, 144279), (1845, 134895), (1955, 127305), (2091, 119025), (2295, 108445), (2645, 94095), (2829, 87975), (3075, 80937), (3105, 80155), (3485, 71415), (3519, 70725), (3825, 65067), (4715, 52785), (4761, 52275), (5175, 48093), (5535, 44965), (5865, 42435), (6273, 39675), (7935, 31365), (8487, 29325), (8993, 27675), (9225, 26979), (9775, 25461), (10455, 23805), (10557, 23575), (11475, 21689), (13225, 18819), (14145, 17595), (14283, 17425), (15525, 16031)]