201930561

素因数分解:

$3^2\times 7^1\times {\mathrm{1429}}^1\times {\mathrm{2243}}^1$

素因数の和:3685

約数の個数: 24

約数和(自身を含む): 333727680

約数和(自身を除く): 131797119

約数列:

[1, 3, 7, 9, 21, 63, 1429, 2243, 4287, 6729, 10003, 12861, 15701, 20187, 30009, 47103, 90027, 141309, 3205247, 9615741, 22436729, 28847223, 67310187, 201930561]

約数ペア:

[(1, 201930561), (3, 67310187), (7, 28847223), (9, 22436729), (21, 9615741), (63, 3205247), (1429, 141309), (2243, 90027), (4287, 47103), (6729, 30009), (10003, 20187), (12861, 15701)]