2481921

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2357}}^1$

素因数の和:2382

約数の個数: 20

約数和(自身を含む): 3994452

約数和(自身を除く): 1512531

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2357, 7071, 21213, 30641, 63639, 91923, 190917, 275769, 827307, 2481921]

約数ペア:

[(1, 2481921), (3, 827307), (9, 275769), (13, 190917), (27, 91923), (39, 63639), (81, 30641), (117, 21213), (351, 7071), (1053, 2357)]