309782697

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 479711232

約数和(自身を除く): 169928535

約数列:

[1, 3, 7, 21, 103, 197, 309, 591, 721, 727, 1379, 2163, 2181, 4137, 5089, 15267, 20291, 60873, 74881, 142037, 143219, 224643, 426111, 429657, 524167, 1002533, 1572501, 3007599, 14751557, 44254671, 103260899, 309782697]

約数ペア:

[(1, 309782697), (3, 103260899), (7, 44254671), (21, 14751557), (103, 3007599), (197, 1572501), (309, 1002533), (591, 524167), (721, 429657), (727, 426111), (1379, 224643), (2163, 143219), (2181, 142037), (4137, 74881), (5089, 60873), (15267, 20291)]