28698975

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 58121280

約数和(自身を除く): 29422305

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 41, 45, 51, 61, 75, 85, 123, 135, 153, 183, 205, 225, 255, 305, 369, 425, 459, 549, 615, 675, 697, 765, 915, 1025, 1037, 1107, 1275, 1525, 1647, 1845, 2091, 2295, 2501, 2745, 3075, 3111, 3485, 3825, 4575, 5185, 5535, 6273, 7503, 8235, 9225, 9333, 10455, 11475, 12505, 13725, 15555, 17425, 18819, 22509, 25925, 27675, 27999, 31365, 37515, 41175, 42517, 46665, 52275, 62525, 67527, 77775, 94095, 112545, 127551, 139995, 156825, 187575, 212585, 233325, 337635, 382653, 470475, 562725, 637755, 699975, 1062925, 1147959, 1688175, 1913265, 3188775, 5739795, 9566325, 28698975]

約数ペア:

[(1, 28698975), (3, 9566325), (5, 5739795), (9, 3188775), (15, 1913265), (17, 1688175), (25, 1147959), (27, 1062925), (41, 699975), (45, 637755), (51, 562725), (61, 470475), (75, 382653), (85, 337635), (123, 233325), (135, 212585), (153, 187575), (183, 156825), (205, 139995), (225, 127551), (255, 112545), (305, 94095), (369, 77775), (425, 67527), (459, 62525), (549, 52275), (615, 46665), (675, 42517), (697, 41175), (765, 37515), (915, 31365), (1025, 27999), (1037, 27675), (1107, 25925), (1275, 22509), (1525, 18819), (1647, 17425), (1845, 15555), (2091, 13725), (2295, 12505), (2501, 11475), (2745, 10455), (3075, 9333), (3111, 9225), (3485, 8235), (3825, 7503), (4575, 6273), (5185, 5535)]