15311349

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:882

約数の個数: 20

約数和(自身を含む): 22977900

約数和(自身を除く): 7666551

約数列:

[1, 3, 9, 27, 81, 421, 449, 1263, 1347, 3789, 4041, 11367, 12123, 34101, 36369, 189029, 567087, 1701261, 5103783, 15311349]

約数ペア:

[(1, 15311349), (3, 5103783), (9, 1701261), (27, 567087), (81, 189029), (421, 36369), (449, 34101), (1263, 12123), (1347, 11367), (3789, 4041)]