16931187

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2297}}^1$

素因数の和:2329

約数の個数: 40

約数和(自身を含む): 31142496

約数和(自身を除く): 14211309

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2297, 2457, 6891, 7371, 16079, 20673, 29861, 48237, 62019, 89583, 144711, 186057, 209027, 268749, 434133, 627081, 806247, 1302399, 1881243, 2418741, 5643729, 16931187]

約数ペア:

[(1, 16931187), (3, 5643729), (7, 2418741), (9, 1881243), (13, 1302399), (21, 806247), (27, 627081), (39, 434133), (63, 268749), (81, 209027), (91, 186057), (117, 144711), (189, 89583), (273, 62019), (351, 48237), (567, 29861), (819, 20673), (1053, 16079), (2297, 7371), (2457, 6891)]