399450189

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{3331}}^1$

素因数の和:3968

約数の個数: 16

約数和(自身を含む): 541223424

約数和(自身を除く): 141773235

約数列:

[1, 3, 71, 213, 563, 1689, 3331, 9993, 39973, 119919, 236501, 709503, 1875353, 5626059, 133150063, 399450189]

約数ペア:

[(1, 399450189), (3, 133150063), (71, 5626059), (213, 1875353), (563, 709503), (1689, 236501), (3331, 119919), (9993, 39973)]