81589455

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4567}}^1$

素因数の和:4975

約数の個数: 24

約数和(自身を含む): 141808992

約数和(自身を除く): 60219537

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1985, 3573, 4567, 5955, 13701, 17865, 22835, 41103, 68505, 205515, 1813099, 5439297, 9065495, 16317891, 27196485, 81589455]

約数ペア:

[(1, 81589455), (3, 27196485), (5, 16317891), (9, 9065495), (15, 5439297), (45, 1813099), (397, 205515), (1191, 68505), (1985, 41103), (3573, 22835), (4567, 17865), (5955, 13701)]