81387825

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{3467}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 135030048

約数和(自身を除く): 53642223

約数列:

[1, 3, 5, 15, 25, 75, 313, 939, 1565, 3467, 4695, 7825, 10401, 17335, 23475, 52005, 86675, 260025, 1085171, 3255513, 5425855, 16277565, 27129275, 81387825]

約数ペア:

[(1, 81387825), (3, 27129275), (5, 16277565), (15, 5425855), (25, 3255513), (75, 1085171), (313, 260025), (939, 86675), (1565, 52005), (3467, 23475), (4695, 17335), (7825, 10401)]