87728643

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 144883200

約数和(自身を除く): 57154557

約数列:

[1, 3, 9, 19, 27, 41, 43, 57, 97, 123, 129, 171, 291, 369, 387, 513, 779, 817, 873, 1107, 1161, 1763, 1843, 2337, 2451, 2619, 3977, 4171, 5289, 5529, 7011, 7353, 11931, 12513, 15867, 16587, 21033, 22059, 33497, 35793, 37539, 47601, 49761, 75563, 79249, 100491, 107379, 112617, 171011, 226689, 237747, 301473, 513033, 680067, 713241, 904419, 1539099, 2040201, 2139723, 3249209, 4617297, 9747627, 29242881, 87728643]

約数ペア:

[(1, 87728643), (3, 29242881), (9, 9747627), (19, 4617297), (27, 3249209), (41, 2139723), (43, 2040201), (57, 1539099), (97, 904419), (123, 713241), (129, 680067), (171, 513033), (291, 301473), (369, 237747), (387, 226689), (513, 171011), (779, 112617), (817, 107379), (873, 100491), (1107, 79249), (1161, 75563), (1763, 49761), (1843, 47601), (2337, 37539), (2451, 35793), (2619, 33497), (3977, 22059), (4171, 21033), (5289, 16587), (5529, 15867), (7011, 12513), (7353, 11931)]