12820665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 24837120

約数和(自身を除く): 12016455

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 43, 55, 65, 129, 139, 143, 165, 195, 215, 417, 429, 473, 559, 645, 695, 715, 1419, 1529, 1677, 1807, 2085, 2145, 2365, 2795, 4587, 5421, 5977, 6149, 7095, 7645, 8385, 9035, 17931, 18447, 19877, 22935, 27105, 29885, 30745, 59631, 65747, 77701, 89655, 92235, 99385, 197241, 233103, 298155, 328735, 388505, 854711, 986205, 1165515, 2564133, 4273555, 12820665]

約数ペア:

[(1, 12820665), (3, 4273555), (5, 2564133), (11, 1165515), (13, 986205), (15, 854711), (33, 388505), (39, 328735), (43, 298155), (55, 233103), (65, 197241), (129, 99385), (139, 92235), (143, 89655), (165, 77701), (195, 65747), (215, 59631), (417, 30745), (429, 29885), (473, 27105), (559, 22935), (645, 19877), (695, 18447), (715, 17931), (1419, 9035), (1529, 8385), (1677, 7645), (1807, 7095), (2085, 6149), (2145, 5977), (2365, 5421), (2795, 4587)]