165025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 249984

約数和(自身を除く): 84959

約数列:

[1, 5, 7, 23, 25, 35, 41, 115, 161, 175, 205, 287, 575, 805, 943, 1025, 1435, 4025, 4715, 6601, 7175, 23575, 33005, 165025]

約数ペア:

[(1, 165025), (5, 33005), (7, 23575), (23, 7175), (25, 6601), (35, 4715), (41, 4025), (115, 1435), (161, 1025), (175, 943), (205, 805), (287, 575)]