20155611

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4471

約数の個数: 24

約数和(自身を含む): 32277504

約数和(自身を除く): 12121893

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4423, 4557, 13269, 30961, 92883, 137113, 216727, 411339, 650181, 959791, 2879373, 6718537, 20155611]

約数ペア:

[(1, 20155611), (3, 6718537), (7, 2879373), (21, 959791), (31, 650181), (49, 411339), (93, 216727), (147, 137113), (217, 92883), (651, 30961), (1519, 13269), (4423, 4557)]