123453

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 205920

約数和(自身を除く): 82467

約数列:

[1, 3, 9, 11, 29, 33, 43, 87, 99, 129, 261, 319, 387, 473, 957, 1247, 1419, 2871, 3741, 4257, 11223, 13717, 41151, 123453]

約数ペア:

[(1, 123453), (3, 41151), (9, 13717), (11, 11223), (29, 4257), (33, 3741), (43, 2871), (87, 1419), (99, 1247), (129, 957), (261, 473), (319, 387)]