81408477

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 117013248

約数和(自身を除く): 35604771

約数列:

[1, 3, 23, 53, 69, 113, 159, 197, 339, 591, 1219, 2599, 3657, 4531, 5989, 7797, 10441, 13593, 17967, 22261, 31323, 66783, 137747, 240143, 413241, 512003, 720429, 1179833, 1536009, 3539499, 27136159, 81408477]

約数ペア:

[(1, 81408477), (3, 27136159), (23, 3539499), (53, 1536009), (69, 1179833), (113, 720429), (159, 512003), (197, 413241), (339, 240143), (591, 137747), (1219, 66783), (2599, 31323), (3657, 22261), (4531, 17967), (5989, 13593), (7797, 10441)]