287602917

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 450023424

約数和(自身を除く): 162420507

約数列:

[1, 3, 7, 21, 47, 141, 211, 329, 633, 987, 1381, 1477, 4143, 4431, 9667, 9917, 29001, 29751, 64907, 69419, 194721, 208257, 291391, 454349, 874173, 1363047, 2039737, 6119211, 13695377, 41086131, 95867639, 287602917]

約数ペア:

[(1, 287602917), (3, 95867639), (7, 41086131), (21, 13695377), (47, 6119211), (141, 2039737), (211, 1363047), (329, 874173), (633, 454349), (987, 291391), (1381, 208257), (1477, 194721), (4143, 69419), (4431, 64907), (9667, 29751), (9917, 29001)]