21167365365

素因数分解:

$3^3\times 5^1\times {\mathrm{9857}}^1\times {\mathrm{15907}}^1$

素因数の和:25778

約数の個数: 32

約数和(自身を含む): 37637055360

約数和(自身を除く): 16469689995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9857, 15907, 29571, 47721, 49285, 79535, 88713, 143163, 147855, 238605, 266139, 429489, 443565, 715815, 1330695, 2147445, 156795299, 470385897, 783976495, 1411157691, 2351929485, 4233473073, 7055788455, 21167365365]

約数ペア:

[(1, 21167365365), (3, 7055788455), (5, 4233473073), (9, 2351929485), (15, 1411157691), (27, 783976495), (45, 470385897), (135, 156795299), (9857, 2147445), (15907, 1330695), (29571, 715815), (47721, 443565), (49285, 429489), (79535, 266139), (88713, 238605), (143163, 147855)]