201721923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{6869}}^1$

素因数の和:7139

約数の個数: 24

約数和(自身を含む): 315085680

約数和(自身を除く): 113363757

約数列:

[1, 3, 9, 13, 39, 117, 251, 753, 2259, 3263, 6869, 9789, 20607, 29367, 61821, 89297, 267891, 803673, 1724119, 5172357, 15517071, 22413547, 67240641, 201721923]

約数ペア:

[(1, 201721923), (3, 67240641), (9, 22413547), (13, 15517071), (39, 5172357), (117, 1724119), (251, 803673), (753, 267891), (2259, 89297), (3263, 61821), (6869, 29367), (9789, 20607)]