405977439

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{6047}}^1$

素因数の和:6219

約数の個数: 32

約数和(自身を含む): 650280960

約数和(自身を除く): 244303521

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 417, 483, 973, 2919, 3197, 6047, 9591, 18141, 22379, 42329, 67137, 126987, 139081, 417243, 840533, 973567, 2521599, 2920701, 5883731, 17651193, 19332259, 57996777, 135325813, 405977439]

約数ペア:

[(1, 405977439), (3, 135325813), (7, 57996777), (21, 19332259), (23, 17651193), (69, 5883731), (139, 2920701), (161, 2521599), (417, 973567), (483, 840533), (973, 417243), (2919, 139081), (3197, 126987), (6047, 67137), (9591, 42329), (18141, 22379)]