66520065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{260863}}^1$

素因数の和:260888

約数の個数: 16

約数和(自身を含む): 112693248

約数和(自身を除く): 46173183

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 260863, 782589, 1304315, 3912945, 4434671, 13304013, 22173355, 66520065]

約数ペア:

[(1, 66520065), (3, 22173355), (5, 13304013), (15, 4434671), (17, 3912945), (51, 1304315), (85, 782589), (255, 260863)]