40479993

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{7459}}^1$

素因数の和:7538

約数の個数: 20

約数和(自身を含む): 61380880

約数和(自身を除く): 20900887

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 7459, 22377, 67131, 201393, 499753, 604179, 1499259, 4497777, 13493331, 40479993]

約数ペア:

[(1, 40479993), (3, 13493331), (9, 4497777), (27, 1499259), (67, 604179), (81, 499753), (201, 201393), (603, 67131), (1809, 22377), (5427, 7459)]