19787625

素因数分解:

$3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 44029440

約数和(自身を除く): 24241815

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 33, 39, 41, 45, 55, 65, 75, 99, 117, 123, 125, 135, 143, 165, 195, 205, 225, 275, 297, 325, 351, 369, 375, 429, 451, 495, 533, 585, 615, 675, 715, 825, 975, 1025, 1107, 1125, 1287, 1353, 1375, 1485, 1599, 1625, 1755, 1845, 2145, 2255, 2475, 2665, 2925, 3075, 3375, 3575, 3861, 4059, 4125, 4797, 4875, 5125, 5535, 5863, 6435, 6765, 7425, 7995, 8775, 9225, 10725, 11275, 12177, 12375, 13325, 14391, 14625, 15375, 17589, 17875, 19305, 20295, 23985, 27675, 29315, 32175, 33825, 37125, 39975, 43875, 46125, 52767, 53625, 56375, 60885, 66625, 71955, 87945, 96525, 101475, 119925, 138375, 146575, 158301, 160875, 169125, 199875, 263835, 304425, 359775, 439725, 482625, 507375, 599625, 732875, 791505, 1319175, 1522125, 1798875, 2198625, 3957525, 6595875, 19787625]

約数ペア:

[(1, 19787625), (3, 6595875), (5, 3957525), (9, 2198625), (11, 1798875), (13, 1522125), (15, 1319175), (25, 791505), (27, 732875), (33, 599625), (39, 507375), (41, 482625), (45, 439725), (55, 359775), (65, 304425), (75, 263835), (99, 199875), (117, 169125), (123, 160875), (125, 158301), (135, 146575), (143, 138375), (165, 119925), (195, 101475), (205, 96525), (225, 87945), (275, 71955), (297, 66625), (325, 60885), (351, 56375), (369, 53625), (375, 52767), (429, 46125), (451, 43875), (495, 39975), (533, 37125), (585, 33825), (615, 32175), (675, 29315), (715, 27675), (825, 23985), (975, 20295), (1025, 19305), (1107, 17875), (1125, 17589), (1287, 15375), (1353, 14625), (1375, 14391), (1485, 13325), (1599, 12375), (1625, 12177), (1755, 11275), (1845, 10725), (2145, 9225), (2255, 8775), (2475, 7995), (2665, 7425), (2925, 6765), (3075, 6435), (3375, 5863), (3575, 5535), (3861, 5125), (4059, 4875), (4125, 4797)]