290899329

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{14879}}^1$

素因数の和:14922

約数の個数: 32

約数和(自身を含む): 476160000

約数和(自身を除く): 185260671

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 14879, 19551, 44637, 104153, 282701, 312459, 729071, 848103, 1978907, 2187213, 5103497, 5936721, 13852349, 15310491, 41557047, 96966443, 290899329]

約数ペア:

[(1, 290899329), (3, 96966443), (7, 41557047), (19, 15310491), (21, 13852349), (49, 5936721), (57, 5103497), (133, 2187213), (147, 1978907), (343, 848103), (399, 729071), (931, 312459), (1029, 282701), (2793, 104153), (6517, 44637), (14879, 19551)]