392805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 823680

約数和(自身を除く): 430875

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 43, 45, 63, 87, 105, 129, 145, 203, 215, 261, 301, 315, 387, 435, 609, 645, 903, 1015, 1247, 1305, 1505, 1827, 1935, 2709, 3045, 3741, 4515, 6235, 8729, 9135, 11223, 13545, 18705, 26187, 43645, 56115, 78561, 130935, 392805]

約数ペア:

[(1, 392805), (3, 130935), (5, 78561), (7, 56115), (9, 43645), (15, 26187), (21, 18705), (29, 13545), (35, 11223), (43, 9135), (45, 8729), (63, 6235), (87, 4515), (105, 3741), (129, 3045), (145, 2709), (203, 1935), (215, 1827), (261, 1505), (301, 1305), (315, 1247), (387, 1015), (435, 903), (609, 645)]