138121151

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 168099840

約数和(自身を除く): 29978689

約数列:

[1, 7, 31, 49, 79, 217, 553, 1151, 1519, 2449, 3871, 8057, 17143, 35681, 56399, 90929, 120001, 249767, 636503, 1748369, 2818799, 4455521, 19731593, 138121151]

約数ペア:

[(1, 138121151), (7, 19731593), (31, 4455521), (49, 2818799), (79, 1748369), (217, 636503), (553, 249767), (1151, 120001), (1519, 90929), (2449, 56399), (3871, 35681), (8057, 17143)]