12173315

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4517}}^1$

素因数の和:4547

約数の個数: 24

約数和(自身を含む): 18541872

約数和(自身を除く): 6368557

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4517, 22585, 31619, 49687, 158095, 221333, 248435, 347809, 1106665, 1739045, 2434663, 12173315]

約数ペア:

[(1, 12173315), (5, 2434663), (7, 1739045), (11, 1106665), (35, 347809), (49, 248435), (55, 221333), (77, 158095), (245, 49687), (385, 31619), (539, 22585), (2695, 4517)]