12810885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 21731328

約数和(自身を除く): 8920443

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 523, 1065, 1569, 1633, 2615, 4899, 7845, 8165, 12029, 24495, 36087, 37133, 60145, 111399, 180435, 185665, 556995, 854059, 2562177, 4270295, 12810885]

約数ペア:

[(1, 12810885), (3, 4270295), (5, 2562177), (15, 854059), (23, 556995), (69, 185665), (71, 180435), (115, 111399), (213, 60145), (345, 37133), (355, 36087), (523, 24495), (1065, 12029), (1569, 8165), (1633, 7845), (2615, 4899)]