2051216391

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 3228799200

約数和(自身を除く): 1177582809

約数列:

[1, 3, 7, 21, 49, 109, 147, 313, 327, 409, 763, 939, 1227, 2191, 2289, 2863, 5341, 6573, 8589, 15337, 16023, 20041, 34117, 44581, 46011, 60123, 102351, 128017, 133743, 238819, 312067, 384051, 716457, 896119, 936201, 1671733, 2184469, 2688357, 5015199, 6272833, 6553407, 13953853, 18818499, 41861559, 97676971, 293030913, 683738797, 2051216391]

約数ペア:

[(1, 2051216391), (3, 683738797), (7, 293030913), (21, 97676971), (49, 41861559), (109, 18818499), (147, 13953853), (313, 6553407), (327, 6272833), (409, 5015199), (763, 2688357), (939, 2184469), (1227, 1671733), (2191, 936201), (2289, 896119), (2863, 716457), (5341, 384051), (6573, 312067), (8589, 238819), (15337, 133743), (16023, 128017), (20041, 102351), (34117, 60123), (44581, 46011)]