128639505

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{4051}}^1$

素因数の和:4161

約数の個数: 32

約数和(自身を含む): 215890560

約数和(自身を除く): 87251055

約数列:

[1, 3, 5, 15, 29, 73, 87, 145, 219, 365, 435, 1095, 2117, 4051, 6351, 10585, 12153, 20255, 31755, 60765, 117479, 295723, 352437, 587395, 887169, 1478615, 1762185, 4435845, 8575967, 25727901, 42879835, 128639505]

約数ペア:

[(1, 128639505), (3, 42879835), (5, 25727901), (15, 8575967), (29, 4435845), (73, 1762185), (87, 1478615), (145, 887169), (219, 587395), (365, 352437), (435, 295723), (1095, 117479), (2117, 60765), (4051, 31755), (6351, 20255), (10585, 12153)]