72801407

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{11171}}^1$

素因数の和:11211

約数の個数: 16

約数和(自身を含む): 89376000

約数和(自身を除く): 16574593

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 11171, 78197, 212249, 547379, 1485743, 3831653, 10400201, 72801407]

約数ペア:

[(1, 72801407), (7, 10400201), (19, 3831653), (49, 1485743), (133, 547379), (343, 212249), (931, 78197), (6517, 11171)]