890631

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 1499264

約数和(自身を除く): 608633

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 211, 469, 603, 633, 1407, 1477, 1899, 4221, 4431, 13293, 14137, 42411, 98959, 127233, 296877, 890631]

約数ペア:

[(1, 890631), (3, 296877), (7, 127233), (9, 98959), (21, 42411), (63, 14137), (67, 13293), (201, 4431), (211, 4221), (469, 1899), (603, 1477), (633, 1407)]