81883215

素因数分解:

$3^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1471}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 142142208

約数和(自身を除く): 60258993

約数列:

[1, 3, 5, 9, 15, 45, 1237, 1471, 3711, 4413, 6185, 7355, 11133, 13239, 18555, 22065, 55665, 66195, 1819627, 5458881, 9098135, 16376643, 27294405, 81883215]

約数ペア:

[(1, 81883215), (3, 27294405), (5, 16376643), (9, 9098135), (15, 5458881), (45, 1819627), (1237, 66195), (1471, 55665), (3711, 22065), (4413, 18555), (6185, 13239), (7355, 11133)]