1722279

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 2576640

約数和(自身を除く): 854361

約数列:

[1, 3, 13, 39, 43, 79, 129, 169, 237, 507, 559, 1027, 1677, 3081, 3397, 7267, 10191, 13351, 21801, 40053, 44161, 132483, 574093, 1722279]

約数ペア:

[(1, 1722279), (3, 574093), (13, 132483), (39, 44161), (43, 40053), (79, 21801), (129, 13351), (169, 10191), (237, 7267), (507, 3397), (559, 3081), (1027, 1677)]