1278375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{487}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 2436096

約数和(自身を除く): 1157721

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 487, 525, 875, 1461, 2435, 2625, 3409, 7305, 10227, 12175, 17045, 36525, 51135, 60875, 85225, 182625, 255675, 426125, 1278375]

約数ペア:

[(1, 1278375), (3, 426125), (5, 255675), (7, 182625), (15, 85225), (21, 60875), (25, 51135), (35, 36525), (75, 17045), (105, 12175), (125, 10227), (175, 7305), (375, 3409), (487, 2625), (525, 2435), (875, 1461)]