81284325

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{34961}}^1$

素因数の和:35005

約数の個数: 24

約数和(自身を含む): 138729216

約数和(自身を除く): 57444891

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 34961, 104883, 174805, 524415, 874025, 1083791, 2622075, 3251373, 5418955, 16256865, 27094775, 81284325]

約数ペア:

[(1, 81284325), (3, 27094775), (5, 16256865), (15, 5418955), (25, 3251373), (31, 2622075), (75, 1083791), (93, 874025), (155, 524415), (465, 174805), (775, 104883), (2325, 34961)]