72903321

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{1879}}^1$

素因数の和:2370

約数の個数: 20

約数和(自身を含む): 109190400

約数和(自身を除く): 36287079

約数列:

[1, 3, 9, 27, 81, 479, 1437, 1879, 4311, 5637, 12933, 16911, 38799, 50733, 152199, 900041, 2700123, 8100369, 24301107, 72903321]

約数ペア:

[(1, 72903321), (3, 24301107), (9, 8100369), (27, 2700123), (81, 900041), (479, 152199), (1437, 50733), (1879, 38799), (4311, 16911), (5637, 12933)]