600005

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 875520

約数和(自身を除く): 275515

約数列:

[1, 5, 7, 31, 35, 49, 79, 155, 217, 245, 395, 553, 1085, 1519, 2449, 2765, 3871, 7595, 12245, 17143, 19355, 85715, 120001, 600005]

約数ペア:

[(1, 600005), (5, 120001), (7, 85715), (31, 19355), (35, 17143), (49, 12245), (79, 7595), (155, 3871), (217, 2765), (245, 2449), (395, 1519), (553, 1085)]