90999999

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2309}}^1$

素因数の和:2495

約数の個数: 24

約数和(自身を含む): 136936800

約数和(自身を除く): 45936801

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 1359, 2309, 4379, 6927, 13137, 20781, 39411, 66961, 200883, 348659, 602649, 1045977, 3137931, 10111111, 30333333, 90999999]

約数ペア:

[(1, 90999999), (3, 30333333), (9, 10111111), (29, 3137931), (87, 1045977), (151, 602649), (261, 348659), (453, 200883), (1359, 66961), (2309, 39411), (4379, 20781), (6927, 13137)]