71765379

素因数分解:

$3^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{881}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 50162301

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 431, 881, 1293, 2643, 3017, 3879, 6167, 7929, 9051, 11637, 18501, 23787, 27153, 55503, 81459, 166509, 379711, 1139133, 2657977, 3417399, 7973931, 10252197, 23921793, 71765379]

約数ペア:

[(1, 71765379), (3, 23921793), (7, 10252197), (9, 7973931), (21, 3417399), (27, 2657977), (63, 1139133), (189, 379711), (431, 166509), (881, 81459), (1293, 55503), (2643, 27153), (3017, 23787), (3879, 18501), (6167, 11637), (7929, 9051)]