40506921

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49459}}^1$

素因数の和:49485

約数の個数: 24

約数和(自身を含む): 72013760

約数和(自身を除く): 31506839

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 49459, 148377, 346213, 445131, 642967, 1038639, 1928901, 3115917, 4500769, 5786703, 13502307, 40506921]

約数ペア:

[(1, 40506921), (3, 13502307), (7, 5786703), (9, 4500769), (13, 3115917), (21, 1928901), (39, 1038639), (63, 642967), (91, 445131), (117, 346213), (273, 148377), (819, 49459)]