615825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 1392768

約数和(自身を除く): 776943

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 23, 25, 35, 45, 51, 63, 69, 75, 85, 105, 115, 119, 153, 161, 175, 207, 225, 255, 315, 345, 357, 391, 425, 483, 525, 575, 595, 765, 805, 1035, 1071, 1173, 1275, 1449, 1575, 1725, 1785, 1955, 2415, 2737, 2975, 3519, 3825, 4025, 5175, 5355, 5865, 7245, 8211, 8925, 9775, 12075, 13685, 17595, 24633, 26775, 29325, 36225, 41055, 68425, 87975, 123165, 205275, 615825]

約数ペア:

[(1, 615825), (3, 205275), (5, 123165), (7, 87975), (9, 68425), (15, 41055), (17, 36225), (21, 29325), (23, 26775), (25, 24633), (35, 17595), (45, 13685), (51, 12075), (63, 9775), (69, 8925), (75, 8211), (85, 7245), (105, 5865), (115, 5355), (119, 5175), (153, 4025), (161, 3825), (175, 3519), (207, 2975), (225, 2737), (255, 2415), (315, 1955), (345, 1785), (357, 1725), (391, 1575), (425, 1449), (483, 1275), (525, 1173), (575, 1071), (595, 1035), (765, 805)]