81873407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{17431}}^1$

素因数の和:17510

約数の個数: 16

約数和(自身を含む): 103755264

約数和(自身を除く): 21881857

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 17431, 122017, 191741, 1063291, 1342187, 7443037, 11696201, 81873407]

約数ペア:

[(1, 81873407), (7, 11696201), (11, 7443037), (61, 1342187), (77, 1063291), (427, 191741), (671, 122017), (4697, 17431)]