389610225

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 738167040

約数和(自身を除く): 348556815

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 79, 115, 207, 225, 237, 345, 395, 575, 711, 953, 1035, 1185, 1725, 1817, 1975, 2859, 3555, 4765, 5175, 5451, 5925, 8577, 9085, 14295, 16353, 17775, 21919, 23825, 27255, 42885, 45425, 65757, 71475, 75287, 81765, 109595, 136275, 197271, 214425, 225861, 328785, 376435, 408825, 547975, 677583, 986355, 1129305, 1643925, 1731601, 1882175, 3387915, 4931775, 5194803, 5646525, 8658005, 15584409, 16939575, 25974015, 43290025, 77922045, 129870075, 389610225]

約数ペア:

[(1, 389610225), (3, 129870075), (5, 77922045), (9, 43290025), (15, 25974015), (23, 16939575), (25, 15584409), (45, 8658005), (69, 5646525), (75, 5194803), (79, 4931775), (115, 3387915), (207, 1882175), (225, 1731601), (237, 1643925), (345, 1129305), (395, 986355), (575, 677583), (711, 547975), (953, 408825), (1035, 376435), (1185, 328785), (1725, 225861), (1817, 214425), (1975, 197271), (2859, 136275), (3555, 109595), (4765, 81765), (5175, 75287), (5451, 71475), (5925, 65757), (8577, 45425), (9085, 42885), (14295, 27255), (16353, 23825), (17775, 21919)]