81277245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{258023}}^1$

素因数の和:258041

約数の個数: 24

約数和(自身を含む): 161006976

約数和(自身を除く): 79729731

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 258023, 774069, 1290115, 1806161, 2322207, 3870345, 5418483, 9030805, 11611035, 16255449, 27092415, 81277245]

約数ペア:

[(1, 81277245), (3, 27092415), (5, 16255449), (7, 11611035), (9, 9030805), (15, 5418483), (21, 3870345), (35, 2322207), (45, 1806161), (63, 1290115), (105, 774069), (315, 258023)]