28360665

素因数分解:

$3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:934

約数の個数: 32

約数和(自身を含む): 50640000

約数和(自身を除く): 22279335

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 421, 499, 1263, 1497, 2105, 2495, 3789, 4491, 6315, 7485, 11367, 13473, 18945, 22455, 56835, 67365, 210079, 630237, 1050395, 1890711, 3151185, 5672133, 9453555, 28360665]

約数ペア:

[(1, 28360665), (3, 9453555), (5, 5672133), (9, 3151185), (15, 1890711), (27, 1050395), (45, 630237), (135, 210079), (421, 67365), (499, 56835), (1263, 22455), (1497, 18945), (2105, 13473), (2495, 11367), (3789, 7485), (4491, 6315)]