663637331

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{3083}}^1$

素因数の和:3311

約数の個数: 24

約数和(自身を含む): 810031104

約数和(自身を除く): 146393773

約数列:

[1, 7, 23, 49, 161, 191, 1127, 1337, 3083, 4393, 9359, 21581, 30751, 70909, 151067, 215257, 496363, 588853, 3474541, 4121971, 13543619, 28853797, 94805333, 663637331]

約数ペア:

[(1, 663637331), (7, 94805333), (23, 28853797), (49, 13543619), (161, 4121971), (191, 3474541), (1127, 588853), (1337, 496363), (3083, 215257), (4393, 151067), (9359, 70909), (21581, 30751)]