202428735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 333696000

約数和(自身を除く): 131267265

約数列:

[1, 3, 5, 15, 43, 129, 157, 215, 471, 645, 785, 1999, 2355, 5997, 6751, 9995, 20253, 29985, 33755, 85957, 101265, 257871, 313843, 429785, 941529, 1289355, 1569215, 4707645, 13495249, 40485747, 67476245, 202428735]

約数ペア:

[(1, 202428735), (3, 67476245), (5, 40485747), (15, 13495249), (43, 4707645), (129, 1569215), (157, 1289355), (215, 941529), (471, 429785), (645, 313843), (785, 257871), (1999, 101265), (2355, 85957), (5997, 33755), (6751, 29985), (9995, 20253)]