127540515

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{20789}}^1$

素因数の和:21206

約数の個数: 16

約数和(自身を含む): 204573600

約数和(自身を除く): 77033085

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 6135, 20789, 62367, 103945, 311835, 8502701, 25508103, 42513505, 127540515]

約数ペア:

[(1, 127540515), (3, 42513505), (5, 25508103), (15, 8502701), (409, 311835), (1227, 103945), (2045, 62367), (6135, 20789)]