881180811

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1361}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 1495802880

約数和(自身を除く): 614622069

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 239, 301, 387, 717, 903, 1361, 1673, 2151, 2709, 4083, 5019, 9527, 10277, 12249, 15057, 28581, 30831, 58523, 71939, 85743, 92493, 175569, 215817, 325279, 409661, 526707, 647451, 975837, 1228983, 2276953, 2927511, 3686949, 6830859, 13986997, 20492577, 41960991, 97908979, 125882973, 293726937, 881180811]

約数ペア:

[(1, 881180811), (3, 293726937), (7, 125882973), (9, 97908979), (21, 41960991), (43, 20492577), (63, 13986997), (129, 6830859), (239, 3686949), (301, 2927511), (387, 2276953), (717, 1228983), (903, 975837), (1361, 647451), (1673, 526707), (2151, 409661), (2709, 325279), (4083, 215817), (5019, 175569), (9527, 92493), (10277, 85743), (12249, 71939), (15057, 58523), (28581, 30831)]