31125789

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 46754400

約数和(自身を除く): 15628611

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 1931, 5373, 5793, 16119, 17379, 52137, 156411, 384269, 1152807, 3458421, 10375263, 31125789]

約数ペア:

[(1, 31125789), (3, 10375263), (9, 3458421), (27, 1152807), (81, 384269), (199, 156411), (597, 52137), (1791, 17379), (1931, 16119), (5373, 5793)]