81039348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4027}}^1$

素因数の和:4093

約数の個数: 72

約数和(自身を含む): 225793568

約数和(自身を除く): 144754220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4027, 5031, 6708, 8054, 10062, 12081, 16108, 20124, 24162, 36243, 48324, 52351, 72486, 104702, 144972, 157053, 173161, 209404, 314106, 346322, 471159, 519483, 628212, 692644, 942318, 1038966, 1558449, 1884636, 2077932, 2251093, 3116898, 4502186, 6233796, 6753279, 9004372, 13506558, 20259837, 27013116, 40519674, 81039348]

約数ペア:

[(1, 81039348), (2, 40519674), (3, 27013116), (4, 20259837), (6, 13506558), (9, 9004372), (12, 6753279), (13, 6233796), (18, 4502186), (26, 3116898), (36, 2251093), (39, 2077932), (43, 1884636), (52, 1558449), (78, 1038966), (86, 942318), (117, 692644), (129, 628212), (156, 519483), (172, 471159), (234, 346322), (258, 314106), (387, 209404), (468, 173161), (516, 157053), (559, 144972), (774, 104702), (1118, 72486), (1548, 52351), (1677, 48324), (2236, 36243), (3354, 24162), (4027, 20124), (5031, 16108), (6708, 12081), (8054, 10062)]