71408979

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 108564480

約数和(自身を除く): 37155501

約数列:

[1, 3, 9, 27, 61, 183, 191, 227, 549, 573, 681, 1647, 1719, 2043, 5157, 6129, 11651, 13847, 34953, 41541, 43357, 104859, 124623, 130071, 314577, 373869, 390213, 1170639, 2644777, 7934331, 23802993, 71408979]

約数ペア:

[(1, 71408979), (3, 23802993), (9, 7934331), (27, 2644777), (61, 1170639), (183, 390213), (191, 373869), (227, 314577), (549, 130071), (573, 124623), (681, 104859), (1647, 43357), (1719, 41541), (2043, 34953), (5157, 13847), (6129, 11651)]