1331330405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 1679931360

約数和(自身を除く): 348600955

約数列:

[1, 5, 29, 113, 145, 193, 421, 565, 965, 2105, 3277, 5597, 12209, 16385, 21809, 27985, 47573, 61045, 81253, 109045, 237865, 406265, 632461, 1379617, 2356337, 3162305, 6898085, 9181589, 11781685, 45907945, 266266081, 1331330405]

約数ペア:

[(1, 1331330405), (5, 266266081), (29, 45907945), (113, 11781685), (145, 9181589), (193, 6898085), (421, 3162305), (565, 2356337), (965, 1379617), (2105, 632461), (3277, 406265), (5597, 237865), (12209, 109045), (16385, 81253), (21809, 61045), (27985, 47573)]