31713927

素因数分解:

$3^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{487}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 49401216

約数和(自身を除く): 17687289

約数列:

[1, 3, 7, 21, 49, 147, 443, 487, 1329, 1461, 3101, 3409, 9303, 10227, 21707, 23863, 65121, 71589, 215741, 647223, 1510187, 4530561, 10571309, 31713927]

約数ペア:

[(1, 31713927), (3, 10571309), (7, 4530561), (21, 1510187), (49, 647223), (147, 215741), (443, 71589), (487, 65121), (1329, 23863), (1461, 21707), (3101, 10227), (3409, 9303)]