291109427

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1778

約数の個数: 16

約数和(自身を含む): 336870912

約数和(自身を除く): 45761485

約数列:

[1, 7, 151, 193, 1057, 1351, 1427, 9989, 29143, 204001, 215477, 275411, 1508339, 1927877, 41587061, 291109427]

約数ペア:

[(1, 291109427), (7, 41587061), (151, 1927877), (193, 1508339), (1057, 275411), (1351, 215477), (1427, 204001), (9989, 29143)]