18408411

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 31403520

約数和(自身を除く): 12995109

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 563, 1211, 1557, 1689, 3633, 3941, 4671, 5067, 10899, 11823, 15201, 32697, 35469, 97399, 106407, 292197, 681793, 876591, 2045379, 2629773, 6136137, 18408411]

約数ペア:

[(1, 18408411), (3, 6136137), (7, 2629773), (9, 2045379), (21, 876591), (27, 681793), (63, 292197), (173, 106407), (189, 97399), (519, 35469), (563, 32697), (1211, 15201), (1557, 11823), (1689, 10899), (3633, 5067), (3941, 4671)]