42121521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2081}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 65932776

約数和(自身を除く): 23811255

約数列:

[1, 3, 9, 13, 39, 117, 173, 519, 1557, 2081, 2249, 6243, 6747, 18729, 20241, 27053, 81159, 243477, 360013, 1080039, 3240117, 4680169, 14040507, 42121521]

約数ペア:

[(1, 42121521), (3, 14040507), (9, 4680169), (13, 3240117), (39, 1080039), (117, 360013), (173, 243477), (519, 81159), (1557, 27053), (2081, 20241), (2249, 18729), (6243, 6747)]