308901825

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 580526336

約数和(自身を除く): 271624511

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 67, 75, 93, 155, 201, 225, 279, 335, 465, 603, 661, 775, 1005, 1395, 1675, 1983, 2077, 2325, 3015, 3305, 5025, 5949, 6231, 6975, 9915, 10385, 15075, 16525, 18693, 20491, 29745, 31155, 44287, 49575, 51925, 61473, 93465, 102455, 132861, 148725, 155775, 184419, 221435, 307365, 398583, 467325, 512275, 664305, 922095, 1107175, 1372897, 1536825, 1992915, 3321525, 4118691, 4610475, 6864485, 9964575, 12356073, 20593455, 34322425, 61780365, 102967275, 308901825]

約数ペア:

[(1, 308901825), (3, 102967275), (5, 61780365), (9, 34322425), (15, 20593455), (25, 12356073), (31, 9964575), (45, 6864485), (67, 4610475), (75, 4118691), (93, 3321525), (155, 1992915), (201, 1536825), (225, 1372897), (279, 1107175), (335, 922095), (465, 664305), (603, 512275), (661, 467325), (775, 398583), (1005, 307365), (1395, 221435), (1675, 184419), (1983, 155775), (2077, 148725), (2325, 132861), (3015, 102455), (3305, 93465), (5025, 61473), (5949, 51925), (6231, 49575), (6975, 44287), (9915, 31155), (10385, 29745), (15075, 20491), (16525, 18693)]