72940861

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{1549}}^1$

素因数の和:1625

約数の個数: 18

約数和(自身を含む): 87731550

約数和(自身を除く): 14790689

約数列:

[1, 7, 31, 49, 217, 961, 1519, 1549, 6727, 10843, 47089, 48019, 75901, 336133, 1488589, 2352931, 10420123, 72940861]

約数ペア:

[(1, 72940861), (7, 10420123), (31, 2352931), (49, 1488589), (217, 336133), (961, 75901), (1519, 48019), (1549, 47089), (6727, 10843)]