128515191

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{38011}}^1$

素因数の和:38051

約数の個数: 24

約数和(自身を含む): 208001664

約数和(自身を除く): 79486473

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 38011, 114033, 266077, 798231, 874253, 1862539, 2622759, 5587617, 6119771, 18359313, 42838397, 128515191]

約数ペア:

[(1, 128515191), (3, 42838397), (7, 18359313), (21, 6119771), (23, 5587617), (49, 2622759), (69, 1862539), (147, 874253), (161, 798231), (483, 266077), (1127, 114033), (3381, 38011)]