639730053

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{29531}}^1$

素因数の和:29649

約数の個数: 24

約数和(自身を含む): 967468320

約数和(自身を除く): 327738267

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 2407, 7221, 21663, 29531, 88593, 265779, 856399, 2451073, 2569197, 7353219, 7707591, 22059657, 71081117, 213243351, 639730053]

約数ペア:

[(1, 639730053), (3, 213243351), (9, 71081117), (29, 22059657), (83, 7707591), (87, 7353219), (249, 2569197), (261, 2451073), (747, 856399), (2407, 265779), (7221, 88593), (21663, 29531)]