421311

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 649728

約数和(自身を除く): 228417

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 751, 2253, 8261, 12767, 24783, 38301, 140437, 421311]

約数ペア:

[(1, 421311), (3, 140437), (11, 38301), (17, 24783), (33, 12767), (51, 8261), (187, 2253), (561, 751)]