40392621

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 62784000

約数和(自身を除く): 22391379

約数列:

[1, 3, 9, 27, 29, 79, 87, 237, 261, 653, 711, 783, 1959, 2133, 2291, 5877, 6873, 17631, 18937, 20619, 51587, 56811, 61857, 154761, 170433, 464283, 511299, 1392849, 1496023, 4488069, 13464207, 40392621]

約数ペア:

[(1, 40392621), (3, 13464207), (9, 4488069), (27, 1496023), (29, 1392849), (79, 511299), (87, 464283), (237, 170433), (261, 154761), (653, 61857), (711, 56811), (783, 51587), (1959, 20619), (2133, 18937), (2291, 17631), (5877, 6873)]