4005375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 7278336

約数和(自身を除く): 3272961

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 971, 1375, 2913, 4125, 4855, 10681, 14565, 24275, 32043, 53405, 72825, 121375, 160215, 267025, 364125, 801075, 1335125, 4005375]

約数ペア:

[(1, 4005375), (3, 1335125), (5, 801075), (11, 364125), (15, 267025), (25, 160215), (33, 121375), (55, 72825), (75, 53405), (125, 32043), (165, 24275), (275, 14565), (375, 10681), (825, 4855), (971, 4125), (1375, 2913)]