1238025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 2169504

約数和(自身を除く): 931479

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 971, 1275, 2913, 4855, 14565, 16507, 24275, 49521, 72825, 82535, 247605, 412675, 1238025]

約数ペア:

[(1, 1238025), (3, 412675), (5, 247605), (15, 82535), (17, 72825), (25, 49521), (51, 24275), (75, 16507), (85, 14565), (255, 4855), (425, 2913), (971, 1275)]