81694921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{17393}}^1$

素因数の和:17472

約数の個数: 16

約数和(自身を含む): 103529088

約数和(自身を除く): 21834167

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 17393, 121751, 191323, 1060973, 1339261, 7426811, 11670703, 81694921]

約数ペア:

[(1, 81694921), (7, 11670703), (11, 7426811), (61, 1339261), (77, 1060973), (427, 191323), (671, 121751), (4697, 17393)]