42057639

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15629}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 68271840

約数和(自身を除く): 26214201

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 15629, 46887, 140661, 203177, 359467, 609531, 1078401, 1828593, 3235203, 4673071, 14019213, 42057639]

約数ペア:

[(1, 42057639), (3, 14019213), (9, 4673071), (13, 3235203), (23, 1828593), (39, 1078401), (69, 609531), (117, 359467), (207, 203177), (299, 140661), (897, 46887), (2691, 15629)]