42678531

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10111}}^1$

素因数の和:10191

約数の個数: 24

約数和(自身を含む): 71512064

約数和(自身を除く): 28833533

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 10111, 30333, 70777, 90999, 212331, 636993, 677437, 2032311, 4742059, 6096933, 14226177, 42678531]

約数ペア:

[(1, 42678531), (3, 14226177), (7, 6096933), (9, 4742059), (21, 2032311), (63, 677437), (67, 636993), (201, 212331), (469, 90999), (603, 70777), (1407, 30333), (4221, 10111)]