51020685

素因数分解:

$3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:759

約数の個数: 40

約数和(自身を含む): 91998720

約数和(自身を除く): 40978035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 263, 405, 479, 789, 1315, 1437, 2367, 2395, 3945, 4311, 7101, 7185, 11835, 12933, 21303, 21555, 35505, 38799, 64665, 106515, 125977, 193995, 377931, 629885, 1133793, 1889655, 3401379, 5668965, 10204137, 17006895, 51020685]

約数ペア:

[(1, 51020685), (3, 17006895), (5, 10204137), (9, 5668965), (15, 3401379), (27, 1889655), (45, 1133793), (81, 629885), (135, 377931), (263, 193995), (405, 125977), (479, 106515), (789, 64665), (1315, 38799), (1437, 35505), (2367, 21555), (2395, 21303), (3945, 12933), (4311, 11835), (7101, 7185)]