168820005

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239461}}^1$

素因数の和:239516

約数の個数: 16

約数和(自身を含む): 275860224

約数和(自身を除く): 107040219

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 239461, 718383, 1197305, 3591915, 11254667, 33764001, 56273335, 168820005]

約数ペア:

[(1, 168820005), (3, 56273335), (5, 33764001), (15, 11254667), (47, 3591915), (141, 1197305), (235, 718383), (705, 239461)]