155560821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{128669}}^1$

素因数の和:128716

約数の個数: 16

約数和(自身を含む): 230576640

約数和(自身を除く): 75015819

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 128669, 386007, 1672697, 3988739, 5018091, 11966217, 51853607, 155560821]

約数ペア:

[(1, 155560821), (3, 51853607), (13, 11966217), (31, 5018091), (39, 3988739), (93, 1672697), (403, 386007), (1209, 128669)]