2725455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 4688640

約数和(自身を除く): 1963185

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 131, 219, 285, 365, 393, 655, 1095, 1387, 1965, 2489, 4161, 6935, 7467, 9563, 12445, 20805, 28689, 37335, 47815, 143445, 181697, 545091, 908485, 2725455]

約数ペア:

[(1, 2725455), (3, 908485), (5, 545091), (15, 181697), (19, 143445), (57, 47815), (73, 37335), (95, 28689), (131, 20805), (219, 12445), (285, 9563), (365, 7467), (393, 6935), (655, 4161), (1095, 2489), (1387, 1965)]