858780021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{2357}}^1$

素因数の和:2613

約数の個数: 32

約数和(自身を含む): 1277168256

約数和(自身を除く): 418388235

約数列:

[1, 3, 11, 33, 61, 181, 183, 543, 671, 1991, 2013, 2357, 5973, 7071, 11041, 25927, 33123, 77781, 121451, 143777, 364353, 426617, 431331, 1279851, 1581547, 4692787, 4744641, 14078361, 26023637, 78070911, 286260007, 858780021]

約数ペア:

[(1, 858780021), (3, 286260007), (11, 78070911), (33, 26023637), (61, 14078361), (181, 4744641), (183, 4692787), (543, 1581547), (671, 1279851), (1991, 431331), (2013, 426617), (2357, 364353), (5973, 143777), (7071, 121451), (11041, 77781), (25927, 33123)]