81841545

素因数分解:

$3^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1979}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 142084800

約数和(自身を除く): 60243255

約数列:

[1, 3, 5, 9, 15, 45, 919, 1979, 2757, 4595, 5937, 8271, 9895, 13785, 17811, 29685, 41355, 89055, 1818701, 5456103, 9093505, 16368309, 27280515, 81841545]

約数ペア:

[(1, 81841545), (3, 27280515), (5, 16368309), (9, 9093505), (15, 5456103), (45, 1818701), (919, 89055), (1979, 41355), (2757, 29685), (4595, 17811), (5937, 13785), (8271, 9895)]