8421375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 14848704

約数和(自身を除く): 6427329

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 1321, 2125, 3963, 6375, 6605, 19815, 22457, 33025, 67371, 99075, 112285, 165125, 336855, 495375, 561425, 1684275, 2807125, 8421375]

約数ペア:

[(1, 8421375), (3, 2807125), (5, 1684275), (15, 561425), (17, 495375), (25, 336855), (51, 165125), (75, 112285), (85, 99075), (125, 67371), (255, 33025), (375, 22457), (425, 19815), (1275, 6605), (1321, 6375), (2125, 3963)]