12772161

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 20657120

約数和(自身を除く): 7884959

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 193, 387, 513, 579, 817, 1161, 1539, 1737, 2451, 3483, 3667, 5211, 7353, 8299, 11001, 15633, 22059, 24897, 33003, 66177, 74691, 99009, 157681, 224073, 297027, 473043, 672219, 1419129, 4257387, 12772161]

約数ペア:

[(1, 12772161), (3, 4257387), (9, 1419129), (19, 672219), (27, 473043), (43, 297027), (57, 224073), (81, 157681), (129, 99009), (171, 74691), (193, 66177), (387, 33003), (513, 24897), (579, 22059), (817, 15633), (1161, 11001), (1539, 8299), (1737, 7353), (2451, 5211), (3483, 3667)]