391425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 687456

約数和(自身を除く): 296031

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 307, 425, 921, 1275, 1535, 4605, 5219, 7675, 15657, 23025, 26095, 78285, 130475, 391425]

約数ペア:

[(1, 391425), (3, 130475), (5, 78285), (15, 26095), (17, 23025), (25, 15657), (51, 7675), (75, 5219), (85, 4605), (255, 1535), (307, 1275), (425, 921)]