123520725

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 240020352

約数和(自身を除く): 116499627

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 129, 153, 215, 225, 255, 387, 425, 645, 731, 751, 765, 1075, 1275, 1935, 2193, 2253, 3225, 3655, 3755, 3825, 6579, 6759, 9675, 10965, 11265, 12767, 18275, 18775, 32293, 32895, 33795, 38301, 54825, 56325, 63835, 96879, 114903, 161465, 164475, 168975, 191505, 290637, 319175, 484395, 548981, 574515, 807325, 957525, 1453185, 1646943, 2421975, 2744905, 2872575, 4940829, 7265925, 8234715, 13724525, 24704145, 41173575, 123520725]

約数ペア:

[(1, 123520725), (3, 41173575), (5, 24704145), (9, 13724525), (15, 8234715), (17, 7265925), (25, 4940829), (43, 2872575), (45, 2744905), (51, 2421975), (75, 1646943), (85, 1453185), (129, 957525), (153, 807325), (215, 574515), (225, 548981), (255, 484395), (387, 319175), (425, 290637), (645, 191505), (731, 168975), (751, 164475), (765, 161465), (1075, 114903), (1275, 96879), (1935, 63835), (2193, 56325), (2253, 54825), (3225, 38301), (3655, 33795), (3755, 32895), (3825, 32293), (6579, 18775), (6759, 18275), (9675, 12767), (10965, 11265)]