80189715

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 133097472

約数和(自身を除く): 52907757

約数列:

[1, 3, 5, 15, 31, 93, 155, 331, 465, 521, 993, 1563, 1655, 2605, 4965, 7815, 10261, 16151, 30783, 48453, 51305, 80755, 153915, 172451, 242265, 517353, 862255, 2586765, 5345981, 16037943, 26729905, 80189715]

約数ペア:

[(1, 80189715), (3, 26729905), (5, 16037943), (15, 5345981), (31, 2586765), (93, 862255), (155, 517353), (331, 242265), (465, 172451), (521, 153915), (993, 80755), (1563, 51305), (1655, 48453), (2605, 30783), (4965, 16151), (7815, 10261)]