12981501

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 20338136

約数和(自身を除く): 7356635

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 613, 1629, 1839, 2353, 5517, 7059, 7969, 21177, 23907, 71721, 110953, 332859, 998577, 1442389, 4327167, 12981501]

約数ペア:

[(1, 12981501), (3, 4327167), (9, 1442389), (13, 998577), (39, 332859), (117, 110953), (181, 71721), (543, 23907), (613, 21177), (1629, 7969), (1839, 7059), (2353, 5517)]