881391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 1444480

約数和(自身を除く): 563089

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2209, 2679, 6251, 6627, 15463, 18753, 41971, 46389, 125913, 293797, 881391]

約数ペア:

[(1, 881391), (3, 293797), (7, 125913), (19, 46389), (21, 41971), (47, 18753), (57, 15463), (133, 6627), (141, 6251), (329, 2679), (399, 2209), (893, 987)]