81540315

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{62483}}^1$

素因数の和:62523

約数の個数: 24

約数和(自身を含む): 146212560

約数和(自身を除く): 64672245

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 62483, 187449, 312415, 562347, 937245, 1812007, 2811735, 5436021, 9060035, 16308063, 27180105, 81540315]

約数ペア:

[(1, 81540315), (3, 27180105), (5, 16308063), (9, 9060035), (15, 5436021), (29, 2811735), (45, 1812007), (87, 937245), (145, 562347), (261, 312415), (435, 187449), (1305, 62483)]