12980709

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 22160640

約数和(自身を除く): 9179931

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 397, 519, 1191, 1211, 1557, 2779, 3573, 3633, 4671, 8337, 10719, 10899, 25011, 32697, 68681, 75033, 206043, 480767, 618129, 1442301, 1854387, 4326903, 12980709]

約数ペア:

[(1, 12980709), (3, 4326903), (7, 1854387), (9, 1442301), (21, 618129), (27, 480767), (63, 206043), (173, 75033), (189, 68681), (397, 32697), (519, 25011), (1191, 10899), (1211, 10719), (1557, 8337), (2779, 4671), (3573, 3633)]