2122809

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 3162240

約数和(自身を除く): 1039431

約数列:

[1, 3, 13, 39, 53, 79, 159, 169, 237, 507, 689, 1027, 2067, 3081, 4187, 8957, 12561, 13351, 26871, 40053, 54431, 163293, 707603, 2122809]

約数ペア:

[(1, 2122809), (3, 707603), (13, 163293), (39, 54431), (53, 40053), (79, 26871), (159, 13351), (169, 12561), (237, 8957), (507, 4187), (689, 3081), (1027, 2067)]