27972399

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 46520320

約数和(自身を除く): 18547921

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1297, 1659, 3081, 3891, 7189, 9079, 16861, 21567, 27237, 50583, 102463, 118027, 307389, 354081, 717241, 1332019, 2151723, 3996057, 9324133, 27972399]

約数ペア:

[(1, 27972399), (3, 9324133), (7, 3996057), (13, 2151723), (21, 1332019), (39, 717241), (79, 354081), (91, 307389), (237, 118027), (273, 102463), (553, 50583), (1027, 27237), (1297, 21567), (1659, 16861), (3081, 9079), (3891, 7189)]