56865321

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 88107360

約数和(自身を除く): 31242039

約数列:

[1, 3, 9, 27, 59, 73, 81, 163, 177, 219, 489, 531, 657, 1467, 1593, 1971, 4307, 4401, 4779, 5913, 9617, 11899, 12921, 13203, 28851, 35697, 38763, 86553, 107091, 116289, 259659, 321273, 348867, 702041, 778977, 963819, 2106123, 6318369, 18955107, 56865321]

約数ペア:

[(1, 56865321), (3, 18955107), (9, 6318369), (27, 2106123), (59, 963819), (73, 778977), (81, 702041), (163, 348867), (177, 321273), (219, 259659), (489, 116289), (531, 107091), (657, 86553), (1467, 38763), (1593, 35697), (1971, 28851), (4307, 13203), (4401, 12921), (4779, 11899), (5913, 9617)]