81481245

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{53783}}^1$

素因数の和:53892

約数の個数: 16

約数和(自身を含む): 131663232

約数和(自身を除く): 50181987

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 53783, 161349, 268915, 806745, 5432083, 16296249, 27160415, 81481245]

約数ペア:

[(1, 81481245), (3, 27160415), (5, 16296249), (15, 5432083), (101, 806745), (303, 268915), (505, 161349), (1515, 53783)]