81801083

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 105369600

約数和(自身を除く): 23568517

約数列:

[1, 7, 13, 29, 91, 139, 203, 223, 377, 973, 1561, 1807, 2639, 2899, 4031, 6467, 12649, 20293, 28217, 30997, 45269, 52403, 84071, 216979, 366821, 402961, 588497, 898913, 2820727, 6292391, 11685869, 81801083]

約数ペア:

[(1, 81801083), (7, 11685869), (13, 6292391), (29, 2820727), (91, 898913), (139, 588497), (203, 402961), (223, 366821), (377, 216979), (973, 84071), (1561, 52403), (1807, 45269), (2639, 30997), (2899, 28217), (4031, 20293), (6467, 12649)]