8006175

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 15252000

約数和(自身を除く): 7245825

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 409, 435, 675, 725, 783, 1227, 1305, 2045, 2175, 3681, 3915, 6135, 6525, 10225, 11043, 11861, 18405, 19575, 30675, 35583, 55215, 59305, 92025, 106749, 177915, 276075, 296525, 320247, 533745, 889575, 1601235, 2668725, 8006175]

約数ペア:

[(1, 8006175), (3, 2668725), (5, 1601235), (9, 889575), (15, 533745), (25, 320247), (27, 296525), (29, 276075), (45, 177915), (75, 106749), (87, 92025), (135, 59305), (145, 55215), (225, 35583), (261, 30675), (409, 19575), (435, 18405), (675, 11861), (725, 11043), (783, 10225), (1227, 6525), (1305, 6135), (2045, 3915), (2175, 3681)]