2840271

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 4355328

約数和(自身を除く): 1515057

約数列:

[1, 3, 7, 21, 211, 633, 641, 1477, 1923, 4431, 4487, 13461, 135251, 405753, 946757, 2840271]

約数ペア:

[(1, 2840271), (3, 946757), (7, 405753), (21, 135251), (211, 13461), (633, 4487), (641, 4431), (1477, 1923)]