858821481

素因数分解:

$3^3\times 7^2\times {\mathrm{649147}}^1$

素因数の和:649170

約数の個数: 24

約数和(自身を含む): 1480057440

約数和(自身を除く): 621235959

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 649147, 1947441, 4544029, 5842323, 13632087, 17526969, 31808203, 40896261, 95424609, 122688783, 286273827, 858821481]

約数ペア:

[(1, 858821481), (3, 286273827), (7, 122688783), (9, 95424609), (21, 40896261), (27, 31808203), (49, 17526969), (63, 13632087), (147, 5842323), (189, 4544029), (441, 1947441), (1323, 649147)]