138431615

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{15271}}^1$

素因数の和:15327

約数の個数: 24

約数和(自身を含む): 198474912

約数和(自身を除く): 60043297

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 9065, 15271, 76355, 106897, 534485, 565027, 748279, 2825135, 3741395, 3955189, 19775945, 27686323, 138431615]

約数ペア:

[(1, 138431615), (5, 27686323), (7, 19775945), (35, 3955189), (37, 3741395), (49, 2825135), (185, 748279), (245, 565027), (259, 534485), (1295, 106897), (1813, 76355), (9065, 15271)]