628015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 811008

約数和(自身を除く): 182993

約数列:

[1, 5, 23, 43, 115, 127, 215, 635, 989, 2921, 4945, 5461, 14605, 27305, 125603, 628015]

約数ペア:

[(1, 628015), (5, 125603), (23, 27305), (43, 14605), (115, 5461), (127, 4945), (215, 2921), (635, 989)]