137873015

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{6323}}^1$

素因数の和:6431

約数の個数: 24

約数和(自身を含む): 194652720

約数和(自身を除く): 56779705

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 3115, 4361, 6323, 21805, 31615, 44261, 221305, 309827, 562747, 1549135, 2813735, 3939229, 19696145, 27574603, 137873015]

約数ペア:

[(1, 137873015), (5, 27574603), (7, 19696145), (35, 3939229), (49, 2813735), (89, 1549135), (245, 562747), (445, 309827), (623, 221305), (3115, 44261), (4361, 31615), (6323, 21805)]