66870165

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{17761}}^1$

素因数の和:18020

約数の個数: 16

約数和(自身を含む): 107424576

約数和(自身を除く): 40554411

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 17761, 53283, 88805, 266415, 4458011, 13374033, 22290055, 66870165]

約数ペア:

[(1, 66870165), (3, 22290055), (5, 13374033), (15, 4458011), (251, 266415), (753, 88805), (1255, 53283), (3765, 17761)]