140515431

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4243}}^1$

素因数の和:4355

約数の個数: 32

約数和(自身を含む): 228157440

約数和(自身を除く): 87642009

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 4243, 4731, 11039, 12729, 29701, 33117, 80617, 89103, 241851, 352169, 564319, 1056507, 1692957, 2465183, 6691211, 7395549, 20073633, 46838477, 140515431]

約数ペア:

[(1, 140515431), (3, 46838477), (7, 20073633), (19, 7395549), (21, 6691211), (57, 2465183), (83, 1692957), (133, 1056507), (249, 564319), (399, 352169), (581, 241851), (1577, 89103), (1743, 80617), (4243, 33117), (4731, 29701), (11039, 12729)]