1287801

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 2077920

約数和(自身を除く): 790119

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 443, 969, 1329, 2907, 3987, 7531, 8417, 22593, 25251, 67779, 75753, 143089, 429267, 1287801]

約数ペア:

[(1, 1287801), (3, 429267), (9, 143089), (17, 75753), (19, 67779), (51, 25251), (57, 22593), (153, 8417), (171, 7531), (323, 3987), (443, 2907), (969, 1329)]