31487313

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 20444847

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3863, 8151, 11589, 42493, 50219, 73397, 127479, 150657, 220191, 552409, 807367, 954161, 1657227, 2422101, 2862483, 10495771, 31487313]

約数ペア:

[(1, 31487313), (3, 10495771), (11, 2862483), (13, 2422101), (19, 1657227), (33, 954161), (39, 807367), (57, 552409), (143, 220191), (209, 150657), (247, 127479), (429, 73397), (627, 50219), (741, 42493), (2717, 11589), (3863, 8151)]