1980504165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1\times {\mathrm{7901}}^1$

素因数の和:8909

約数の個数: 32

約数和(自身を含む): 3359045376

約数和(自身を除く): 1378541211

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 983, 2949, 4915, 7901, 14745, 16711, 23703, 39505, 50133, 83555, 118515, 134317, 250665, 402951, 671585, 2014755, 7766683, 23300049, 38833415, 116500245, 132033611, 396100833, 660168055, 1980504165]

約数ペア:

[(1, 1980504165), (3, 660168055), (5, 396100833), (15, 132033611), (17, 116500245), (51, 38833415), (85, 23300049), (255, 7766683), (983, 2014755), (2949, 671585), (4915, 402951), (7901, 250665), (14745, 134317), (16711, 118515), (23703, 83555), (39505, 50133)]