2617515

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 4913568

約数和(自身を除く): 2296053

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 281, 345, 405, 621, 843, 1035, 1405, 1863, 2529, 3105, 4215, 6463, 7587, 9315, 12645, 19389, 22761, 32315, 37935, 58167, 96945, 113805, 174501, 290835, 523503, 872505, 2617515]

約数ペア:

[(1, 2617515), (3, 872505), (5, 523503), (9, 290835), (15, 174501), (23, 113805), (27, 96945), (45, 58167), (69, 37935), (81, 32315), (115, 22761), (135, 19389), (207, 12645), (281, 9315), (345, 7587), (405, 6463), (621, 4215), (843, 3105), (1035, 2529), (1405, 1863)]