628065

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 1154088

約数和(自身を除く): 526023

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 821, 2463, 4105, 7389, 12315, 13957, 36945, 41871, 69785, 125613, 209355, 628065]

約数ペア:

[(1, 628065), (3, 209355), (5, 125613), (9, 69785), (15, 41871), (17, 36945), (45, 13957), (51, 12315), (85, 7389), (153, 4105), (255, 2463), (765, 821)]