219138921

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{2969}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 324324000

約数和(自身を除く): 105185079

約数列:

[1, 3, 9, 59, 139, 177, 417, 531, 1251, 2969, 8201, 8907, 24603, 26721, 73809, 175171, 412691, 525513, 1238073, 1576539, 3714219, 24348769, 73046307, 219138921]

約数ペア:

[(1, 219138921), (3, 73046307), (9, 24348769), (59, 3714219), (139, 1576539), (177, 1238073), (417, 525513), (531, 412691), (1251, 175171), (2969, 73809), (8201, 26721), (8907, 24603)]