1900548981

素因数分解:

$3^3\times {\mathrm{971}}^1\times {\mathrm{72493}}^1$

素因数の和:73473

約数の個数: 16

約数和(自身を含む): 2818566720

約数和(自身を除く): 918017739

約数列:

[1, 3, 9, 27, 971, 2913, 8739, 26217, 72493, 217479, 652437, 1957311, 70390703, 211172109, 633516327, 1900548981]

約数ペア:

[(1, 1900548981), (3, 633516327), (9, 211172109), (27, 70390703), (971, 1957311), (2913, 652437), (8739, 217479), (26217, 72493)]