251013321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{3169}}^1$

素因数の和:3865

約数の個数: 24

約数和(自身を含む): 391165320

約数和(自身を除く): 140151999

約数列:

[1, 3, 9, 13, 39, 117, 677, 2031, 3169, 6093, 8801, 9507, 26403, 28521, 41197, 79209, 123591, 370773, 2145413, 6436239, 19308717, 27890369, 83671107, 251013321]

約数ペア:

[(1, 251013321), (3, 83671107), (9, 27890369), (13, 19308717), (39, 6436239), (117, 2145413), (677, 370773), (2031, 123591), (3169, 79209), (6093, 41197), (8801, 28521), (9507, 26403)]