199856907

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{1087}}^1$

素因数の和:1783

約数の個数: 24

約数和(自身を含む): 298721280

約数和(自身を除く): 98864373

約数列:

[1, 3, 9, 31, 93, 279, 659, 1087, 1977, 3261, 5931, 9783, 20429, 33697, 61287, 101091, 183861, 303273, 716333, 2148999, 6446997, 22206323, 66618969, 199856907]

約数ペア:

[(1, 199856907), (3, 66618969), (9, 22206323), (31, 6446997), (93, 2148999), (279, 716333), (659, 303273), (1087, 183861), (1977, 101091), (3261, 61287), (5931, 33697), (9783, 20429)]