2021497257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1400899}}^1$

素因数の和:1400952

約数の個数: 16

約数和(自身を含む): 2981115200

約数和(自身を除く): 959617943

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 1400899, 4202697, 18211687, 51833263, 54635061, 155499789, 673832419, 2021497257]

約数ペア:

[(1, 2021497257), (3, 673832419), (13, 155499789), (37, 54635061), (39, 51833263), (111, 18211687), (481, 4202697), (1443, 1400899)]