660813

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 940416

約数和(自身を除く): 279603

約数列:

[1, 3, 23, 61, 69, 157, 183, 471, 1403, 3611, 4209, 9577, 10833, 28731, 220271, 660813]

約数ペア:

[(1, 660813), (3, 220271), (23, 28731), (61, 10833), (69, 9577), (157, 4209), (183, 3611), (471, 1403)]