27972009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12583}}^1$

素因数の和:12621

約数の個数: 24

約数和(自身を含む): 45805760

約数和(自身を除く): 17833751

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12583, 37749, 113247, 163579, 239077, 490737, 717231, 1472211, 2151693, 3108001, 9324003, 27972009]

約数ペア:

[(1, 27972009), (3, 9324003), (9, 3108001), (13, 2151693), (19, 1472211), (39, 717231), (57, 490737), (117, 239077), (171, 163579), (247, 113247), (741, 37749), (2223, 12583)]