1556997

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 2336544

約数和(自身を除く): 779547

約数列:

[1, 3, 13, 37, 39, 83, 111, 169, 249, 481, 507, 1079, 1443, 3071, 3237, 6253, 9213, 14027, 18759, 39923, 42081, 119769, 518999, 1556997]

約数ペア:

[(1, 1556997), (3, 518999), (13, 119769), (37, 42081), (39, 39923), (83, 18759), (111, 14027), (169, 9213), (249, 6253), (481, 3237), (507, 3071), (1079, 1443)]