12209805

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 21888000

約数和(自身を除く): 9678195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 607, 745, 1341, 1821, 2235, 3035, 4023, 5463, 6705, 9105, 16389, 20115, 27315, 81945, 90443, 271329, 452215, 813987, 1356645, 2441961, 4069935, 12209805]

約数ペア:

[(1, 12209805), (3, 4069935), (5, 2441961), (9, 1356645), (15, 813987), (27, 452215), (45, 271329), (135, 90443), (149, 81945), (447, 27315), (607, 20115), (745, 16389), (1341, 9105), (1821, 6705), (2235, 5463), (3035, 4023)]