2013921

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 3581760

約数和(自身を除く): 1567839

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 2459, 7377, 17213, 22131, 31967, 51639, 95901, 154917, 223769, 287703, 671307, 2013921]

約数ペア:

[(1, 2013921), (3, 671307), (7, 287703), (9, 223769), (13, 154917), (21, 95901), (39, 51639), (63, 31967), (91, 22131), (117, 17213), (273, 7377), (819, 2459)]