251010135

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 451555104

約数和(自身を除く): 200544969

約数列:

[1, 3, 5, 9, 15, 43, 45, 73, 129, 215, 219, 365, 387, 645, 657, 1095, 1777, 1935, 3139, 3285, 5331, 8885, 9417, 15695, 15993, 26655, 28251, 47085, 76411, 79965, 129721, 141255, 229233, 382055, 389163, 648605, 687699, 1146165, 1167489, 1945815, 3438495, 5578003, 5837445, 16734009, 27890015, 50202027, 83670045, 251010135]

約数ペア:

[(1, 251010135), (3, 83670045), (5, 50202027), (9, 27890015), (15, 16734009), (43, 5837445), (45, 5578003), (73, 3438495), (129, 1945815), (215, 1167489), (219, 1146165), (365, 687699), (387, 648605), (645, 389163), (657, 382055), (1095, 229233), (1777, 141255), (1935, 129721), (3139, 79965), (3285, 76411), (5331, 47085), (8885, 28251), (9417, 26655), (15695, 15993)]