10905921

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{10357}}^1$

素因数の和:10382

約数の個数: 20

約数和(自身を含む): 17546452

約数和(自身を除く): 6640531

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 10357, 31071, 93213, 134641, 279639, 403923, 838917, 1211769, 3635307, 10905921]

約数ペア:

[(1, 10905921), (3, 3635307), (9, 1211769), (13, 838917), (27, 403923), (39, 279639), (81, 134641), (117, 93213), (351, 31071), (1053, 10357)]