243350775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 454970880

約数和(自身を除く): 211620105

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 139, 155, 225, 251, 279, 417, 465, 695, 753, 775, 1251, 1255, 1395, 2085, 2259, 2325, 3475, 3765, 4309, 6255, 6275, 6975, 7781, 10425, 11295, 12927, 18825, 21545, 23343, 31275, 34889, 38781, 38905, 56475, 64635, 70029, 104667, 107725, 116715, 174445, 193905, 194525, 314001, 323175, 350145, 523335, 583575, 872225, 969525, 1081559, 1570005, 1750725, 2616675, 3244677, 5407795, 7850025, 9734031, 16223385, 27038975, 48670155, 81116925, 243350775]

約数ペア:

[(1, 243350775), (3, 81116925), (5, 48670155), (9, 27038975), (15, 16223385), (25, 9734031), (31, 7850025), (45, 5407795), (75, 3244677), (93, 2616675), (139, 1750725), (155, 1570005), (225, 1081559), (251, 969525), (279, 872225), (417, 583575), (465, 523335), (695, 350145), (753, 323175), (775, 314001), (1251, 194525), (1255, 193905), (1395, 174445), (2085, 116715), (2259, 107725), (2325, 104667), (3475, 70029), (3765, 64635), (4309, 56475), (6255, 38905), (6275, 38781), (6975, 34889), (7781, 31275), (10425, 23343), (11295, 21545), (12927, 18825)]