2604393

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 4414080

約数和(自身を除く): 1809687

約数列:

[1, 3, 9, 11, 27, 33, 37, 79, 81, 99, 111, 237, 297, 333, 407, 711, 869, 891, 999, 1221, 2133, 2607, 2923, 2997, 3663, 6399, 7821, 8769, 10989, 23463, 26307, 32153, 32967, 70389, 78921, 96459, 236763, 289377, 868131, 2604393]

約数ペア:

[(1, 2604393), (3, 868131), (9, 289377), (11, 236763), (27, 96459), (33, 78921), (37, 70389), (79, 32967), (81, 32153), (99, 26307), (111, 23463), (237, 10989), (297, 8769), (333, 7821), (407, 6399), (711, 3663), (869, 2997), (891, 2923), (999, 2607), (1221, 2133)]