768591

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 1198080

約数和(自身を除く): 429489

約数列:

[1, 3, 9, 23, 47, 69, 79, 141, 207, 237, 423, 711, 1081, 1817, 3243, 3713, 5451, 9729, 11139, 16353, 33417, 85399, 256197, 768591]

約数ペア:

[(1, 768591), (3, 256197), (9, 85399), (23, 33417), (47, 16353), (69, 11139), (79, 9729), (141, 5451), (207, 3713), (237, 3243), (423, 1817), (711, 1081)]