17940945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13577775

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 227, 479, 681, 1135, 1437, 2395, 2497, 3405, 5269, 7185, 7491, 12485, 15807, 26345, 37455, 79035, 108733, 326199, 543665, 1196063, 1630995, 3588189, 5980315, 17940945]

約数ペア:

[(1, 17940945), (3, 5980315), (5, 3588189), (11, 1630995), (15, 1196063), (33, 543665), (55, 326199), (165, 108733), (227, 79035), (479, 37455), (681, 26345), (1135, 15807), (1437, 12485), (2395, 7491), (2497, 7185), (3405, 5269)]