15070221

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 23212800

約数和(自身を除く): 8142579

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1549, 3243, 4647, 9729, 13941, 35627, 72803, 106881, 218409, 320643, 655227, 1674469, 5023407, 15070221]

約数ペア:

[(1, 15070221), (3, 5023407), (9, 1674469), (23, 655227), (47, 320643), (69, 218409), (141, 106881), (207, 72803), (423, 35627), (1081, 13941), (1549, 9729), (3243, 4647)]