1897136871

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{16567}}^1$

素因数の和:16644

約数の個数: 48

約数和(自身を含む): 3173103360

約数和(自身を除く): 1275966489

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 287, 399, 779, 861, 931, 2009, 2337, 2793, 5453, 6027, 16359, 16567, 38171, 49701, 114513, 115969, 314773, 347907, 679247, 811783, 944319, 2037741, 2203411, 2435349, 4754729, 6610233, 12905693, 14264187, 15423877, 33283103, 38717079, 46271631, 90339851, 99849309, 271019553, 632378957, 1897136871]

約数ペア:

[(1, 1897136871), (3, 632378957), (7, 271019553), (19, 99849309), (21, 90339851), (41, 46271631), (49, 38717079), (57, 33283103), (123, 15423877), (133, 14264187), (147, 12905693), (287, 6610233), (399, 4754729), (779, 2435349), (861, 2203411), (931, 2037741), (2009, 944319), (2337, 811783), (2793, 679247), (5453, 347907), (6027, 314773), (16359, 115969), (16567, 114513), (38171, 49701)]