399075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 700848

約数和(自身を除く): 301773

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 313, 425, 939, 1275, 1565, 4695, 5321, 7825, 15963, 23475, 26605, 79815, 133025, 399075]

約数ペア:

[(1, 399075), (3, 133025), (5, 79815), (15, 26605), (17, 23475), (25, 15963), (51, 7825), (75, 5321), (85, 4695), (255, 1565), (313, 1275), (425, 939)]