8493891

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 12983808

約数和(自身を除く): 4489917

約数列:

[1, 3, 7, 21, 631, 641, 1893, 1923, 4417, 4487, 13251, 13461, 404471, 1213413, 2831297, 8493891]

約数ペア:

[(1, 8493891), (3, 2831297), (7, 1213413), (21, 404471), (631, 13461), (641, 13251), (1893, 4487), (1923, 4417)]