69913921

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 88482240

約数和(自身を除く): 18568319

約数列:

[1, 7, 11, 77, 121, 197, 419, 847, 1379, 2167, 2933, 4609, 15169, 23837, 32263, 50699, 82543, 166859, 354893, 577801, 907973, 6355811, 9987703, 69913921]

約数ペア:

[(1, 69913921), (7, 9987703), (11, 6355811), (77, 907973), (121, 577801), (197, 354893), (419, 166859), (847, 82543), (1379, 50699), (2167, 32263), (2933, 23837), (4609, 15169)]