145705

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:216

約数の個数: 16

約数和(自身を含む): 209664

約数和(自身を除く): 63959

約数列:

[1, 5, 7, 23, 35, 115, 161, 181, 805, 905, 1267, 4163, 6335, 20815, 29141, 145705]

約数ペア:

[(1, 145705), (5, 29141), (7, 20815), (23, 6335), (35, 4163), (115, 1267), (161, 905), (181, 805)]