870957

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 1347840

約数和(自身を除く): 476883

約数列:

[1, 3, 9, 29, 47, 71, 87, 141, 213, 261, 423, 639, 1363, 2059, 3337, 4089, 6177, 10011, 12267, 18531, 30033, 96773, 290319, 870957]

約数ペア:

[(1, 870957), (3, 290319), (9, 96773), (29, 30033), (47, 18531), (71, 12267), (87, 10011), (141, 6177), (213, 4089), (261, 3337), (423, 2059), (639, 1363)]