478401021

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{244957}}^1$

素因数の和:245001

約数の個数: 24

約数和(自身を含む): 815220224

約数和(自身を除く): 336819203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 244957, 734871, 1714699, 2204613, 5144097, 7593667, 15432291, 22781001, 53155669, 68343003, 159467007, 478401021]

約数ペア:

[(1, 478401021), (3, 159467007), (7, 68343003), (9, 53155669), (21, 22781001), (31, 15432291), (63, 7593667), (93, 5144097), (217, 2204613), (279, 1714699), (651, 734871), (1953, 244957)]