80785515

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 132523776

約数和(自身を除く): 51738261

約数列:

[1, 3, 5, 15, 53, 159, 265, 307, 331, 795, 921, 993, 1535, 1655, 4605, 4965, 16271, 17543, 48813, 52629, 81355, 87715, 101617, 244065, 263145, 304851, 508085, 1524255, 5385701, 16157103, 26928505, 80785515]

約数ペア:

[(1, 80785515), (3, 26928505), (5, 16157103), (15, 5385701), (53, 1524255), (159, 508085), (265, 304851), (307, 263145), (331, 244065), (795, 101617), (921, 87715), (993, 81355), (1535, 52629), (1655, 48813), (4605, 17543), (4965, 16271)]