31973431

素因数分解:

$7^3\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 24

約数和(自身を含む): 38925600

約数和(自身を除く): 6952169

約数列:

[1, 7, 31, 49, 97, 217, 343, 679, 961, 1519, 3007, 4753, 6727, 10633, 21049, 33271, 47089, 93217, 147343, 329623, 652519, 1031401, 4567633, 31973431]

約数ペア:

[(1, 31973431), (7, 4567633), (31, 1031401), (49, 652519), (97, 329623), (217, 147343), (343, 93217), (679, 47089), (961, 33271), (1519, 21049), (3007, 10633), (4753, 6727)]