168204771

素因数分解:

$3^2\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{1871}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 278014464

約数和(自身を除く): 109809693

約数列:

[1, 3, 7, 9, 21, 63, 1427, 1871, 4281, 5613, 9989, 12843, 13097, 16839, 29967, 39291, 89901, 117873, 2669917, 8009751, 18689419, 24029253, 56068257, 168204771]

約数ペア:

[(1, 168204771), (3, 56068257), (7, 24029253), (9, 18689419), (21, 8009751), (63, 2669917), (1427, 117873), (1871, 89901), (4281, 39291), (5613, 29967), (9989, 16839), (12843, 13097)]