51657825

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 88387200

約数和(自身を除く): 36729375

約数列:

[1, 3, 5, 15, 25, 71, 75, 89, 109, 213, 267, 327, 355, 445, 545, 1065, 1335, 1635, 1775, 2225, 2725, 5325, 6319, 6675, 7739, 8175, 9701, 18957, 23217, 29103, 31595, 38695, 48505, 94785, 116085, 145515, 157975, 193475, 242525, 473925, 580425, 688771, 727575, 2066313, 3443855, 10331565, 17219275, 51657825]

約数ペア:

[(1, 51657825), (3, 17219275), (5, 10331565), (15, 3443855), (25, 2066313), (71, 727575), (75, 688771), (89, 580425), (109, 473925), (213, 242525), (267, 193475), (327, 157975), (355, 145515), (445, 116085), (545, 94785), (1065, 48505), (1335, 38695), (1635, 31595), (1775, 29103), (2225, 23217), (2725, 18957), (5325, 9701), (6319, 8175), (6675, 7739)]