388600875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 820834560

約数和(自身を除く): 432233685

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 45, 51, 65, 75, 85, 117, 125, 135, 153, 195, 221, 225, 255, 325, 351, 375, 425, 459, 521, 585, 663, 675, 765, 975, 1105, 1125, 1275, 1563, 1625, 1755, 1989, 2125, 2295, 2605, 2925, 3315, 3375, 3825, 4689, 4875, 5525, 5967, 6375, 6773, 7815, 8775, 8857, 9945, 11475, 13025, 14067, 14625, 16575, 19125, 20319, 23445, 26571, 27625, 29835, 33865, 39075, 43875, 44285, 49725, 57375, 60957, 65125, 70335, 79713, 82875, 101595, 115141, 117225, 132855, 149175, 169325, 182871, 195375, 221425, 239139, 248625, 304785, 345423, 351675, 398565, 507975, 575705, 586125, 664275, 745875, 846625, 914355, 1036269, 1107125, 1195695, 1523925, 1727115, 1758375, 1992825, 2539875, 2878525, 3108807, 3321375, 4571775, 5181345, 5978475, 7619625, 8635575, 9964125, 14392625, 15544035, 22858875, 25906725, 29892375, 43177875, 77720175, 129533625, 388600875]

約数ペア:

[(1, 388600875), (3, 129533625), (5, 77720175), (9, 43177875), (13, 29892375), (15, 25906725), (17, 22858875), (25, 15544035), (27, 14392625), (39, 9964125), (45, 8635575), (51, 7619625), (65, 5978475), (75, 5181345), (85, 4571775), (117, 3321375), (125, 3108807), (135, 2878525), (153, 2539875), (195, 1992825), (221, 1758375), (225, 1727115), (255, 1523925), (325, 1195695), (351, 1107125), (375, 1036269), (425, 914355), (459, 846625), (521, 745875), (585, 664275), (663, 586125), (675, 575705), (765, 507975), (975, 398565), (1105, 351675), (1125, 345423), (1275, 304785), (1563, 248625), (1625, 239139), (1755, 221425), (1989, 195375), (2125, 182871), (2295, 169325), (2605, 149175), (2925, 132855), (3315, 117225), (3375, 115141), (3825, 101595), (4689, 82875), (4875, 79713), (5525, 70335), (5967, 65125), (6375, 60957), (6773, 57375), (7815, 49725), (8775, 44285), (8857, 43875), (9945, 39075), (11475, 33865), (13025, 29835), (14067, 27625), (14625, 26571), (16575, 23445), (19125, 20319)]