13195281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 20832768

約数和(自身を除く): 7637487

約数列:

[1, 3, 11, 17, 33, 43, 51, 129, 187, 473, 547, 561, 731, 1419, 1641, 2193, 6017, 8041, 9299, 18051, 23521, 24123, 27897, 70563, 102289, 258731, 306867, 399857, 776193, 1199571, 4398427, 13195281]

約数ペア:

[(1, 13195281), (3, 4398427), (11, 1199571), (17, 776193), (33, 399857), (43, 306867), (51, 258731), (129, 102289), (187, 70563), (473, 27897), (547, 24123), (561, 23521), (731, 18051), (1419, 9299), (1641, 8041), (2193, 6017)]