1387815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 2612736

約数和(自身を除く): 1224921

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 647, 715, 1941, 2145, 3235, 7117, 8411, 9705, 21351, 25233, 35585, 42055, 92521, 106755, 126165, 277563, 462605, 1387815]

約数ペア:

[(1, 1387815), (3, 462605), (5, 277563), (11, 126165), (13, 106755), (15, 92521), (33, 42055), (39, 35585), (55, 25233), (65, 21351), (143, 9705), (165, 8411), (195, 7117), (429, 3235), (647, 2145), (715, 1941)]