213785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 316224

約数和(自身を除く): 102439

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 169, 253, 299, 715, 845, 1265, 1495, 1859, 3289, 3887, 9295, 16445, 19435, 42757, 213785]

約数ペア:

[(1, 213785), (5, 42757), (11, 19435), (13, 16445), (23, 9295), (55, 3887), (65, 3289), (115, 1859), (143, 1495), (169, 1265), (253, 845), (299, 715)]