138760401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{691}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 210810880

約数和(自身を除く): 72050479

約数列:

[1, 3, 13, 19, 39, 57, 247, 271, 691, 741, 813, 2073, 3523, 5149, 8983, 10569, 13129, 15447, 26949, 39387, 66937, 170677, 187261, 200811, 512031, 561783, 2434393, 3557959, 7303179, 10673877, 46253467, 138760401]

約数ペア:

[(1, 138760401), (3, 46253467), (13, 10673877), (19, 7303179), (39, 3557959), (57, 2434393), (247, 561783), (271, 512031), (691, 200811), (741, 187261), (813, 170677), (2073, 66937), (3523, 39387), (5149, 26949), (8983, 15447), (10569, 13129)]