208022175

素因数分解:

$3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2454

約数の個数: 60

約数和(自身を含む): 394455160

約数和(自身を除く): 186432985

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 387, 405, 645, 675, 1075, 1161, 1935, 2025, 2389, 3225, 3483, 5805, 7167, 9675, 11945, 17415, 21501, 29025, 35835, 59725, 64503, 87075, 102727, 107505, 179175, 193509, 308181, 322515, 513635, 537525, 924543, 967545, 1540905, 1612575, 2568175, 2773629, 4622715, 4837725, 7704525, 8320887, 13868145, 23113575, 41604435, 69340725, 208022175]

約数ペア:

[(1, 208022175), (3, 69340725), (5, 41604435), (9, 23113575), (15, 13868145), (25, 8320887), (27, 7704525), (43, 4837725), (45, 4622715), (75, 2773629), (81, 2568175), (129, 1612575), (135, 1540905), (215, 967545), (225, 924543), (387, 537525), (405, 513635), (645, 322515), (675, 308181), (1075, 193509), (1161, 179175), (1935, 107505), (2025, 102727), (2389, 87075), (3225, 64503), (3483, 59725), (5805, 35835), (7167, 29025), (9675, 21501), (11945, 17415)]