15221409

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6091}}^1$

素因数の和:6125

約数の個数: 24

約数和(自身を含む): 25001568

約数和(自身を除く): 9780159

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 6091, 18273, 42637, 103547, 127911, 298459, 310641, 724829, 895377, 2174487, 5073803, 15221409]

約数ペア:

[(1, 15221409), (3, 5073803), (7, 2174487), (17, 895377), (21, 724829), (49, 310641), (51, 298459), (119, 127911), (147, 103547), (357, 42637), (833, 18273), (2499, 6091)]