51228261

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 90931200

約数和(自身を除く): 39702939

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 73, 79, 141, 189, 219, 237, 329, 423, 511, 553, 657, 711, 987, 1269, 1533, 1659, 1971, 2133, 2961, 3431, 3713, 4599, 4977, 5767, 8883, 10293, 11139, 13797, 14931, 17301, 24017, 25991, 30879, 33417, 40369, 51903, 72051, 77973, 92637, 100251, 121107, 155709, 216153, 233919, 271049, 363321, 648459, 701757, 813147, 1089963, 1897343, 2439441, 5692029, 7318323, 17076087, 51228261]

約数ペア:

[(1, 51228261), (3, 17076087), (7, 7318323), (9, 5692029), (21, 2439441), (27, 1897343), (47, 1089963), (63, 813147), (73, 701757), (79, 648459), (141, 363321), (189, 271049), (219, 233919), (237, 216153), (329, 155709), (423, 121107), (511, 100251), (553, 92637), (657, 77973), (711, 72051), (987, 51903), (1269, 40369), (1533, 33417), (1659, 30879), (1971, 25991), (2133, 24017), (2961, 17301), (3431, 14931), (3713, 13797), (4599, 11139), (4977, 10293), (5767, 8883)]