997515

素因数分解:

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

素因数の和:841

約数の個数: 24

約数和(自身を含む): 1795248

約数和(自身を除く): 797733

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 821, 1215, 2463, 4105, 7389, 12315, 22167, 36945, 66501, 110835, 199503, 332505, 997515]

約数ペア:

[(1, 997515), (3, 332505), (5, 199503), (9, 110835), (15, 66501), (27, 36945), (45, 22167), (81, 12315), (135, 7389), (243, 4105), (405, 2463), (821, 1215)]