81572247

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 45562761

約数列:

[1, 3, 9, 41, 43, 53, 97, 123, 129, 159, 291, 369, 387, 477, 873, 1763, 2173, 2279, 3977, 4171, 5141, 5289, 6519, 6837, 11931, 12513, 15423, 15867, 19557, 20511, 35793, 37539, 46269, 93439, 171011, 210781, 221063, 280317, 513033, 632343, 663189, 840951, 1539099, 1897029, 1989567, 9063583, 27190749, 81572247]

約数ペア:

[(1, 81572247), (3, 27190749), (9, 9063583), (41, 1989567), (43, 1897029), (53, 1539099), (97, 840951), (123, 663189), (129, 632343), (159, 513033), (291, 280317), (369, 221063), (387, 210781), (477, 171011), (873, 93439), (1763, 46269), (2173, 37539), (2279, 35793), (3977, 20511), (4171, 19557), (5141, 15867), (5289, 15423), (6519, 12513), (6837, 11931)]