156783221811

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{31731071}}^1$

素因数の和:31731144

約数の個数: 20

約数和(自身を含む): 238046502144

約数和(自身を除く): 81263280333

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 31731071, 95193213, 285579639, 856738917, 1935595331, 2570216751, 5806785993, 17420357979, 52261073937, 156783221811]

約数ペア:

[(1, 156783221811), (3, 52261073937), (9, 17420357979), (27, 5806785993), (61, 2570216751), (81, 1935595331), (183, 856738917), (549, 285579639), (1647, 95193213), (4941, 31731071)]