15120729

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 25186560

約数和(自身を除く): 10065831

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 1873, 2691, 5619, 8073, 16857, 24349, 43079, 50571, 73047, 129237, 219141, 387711, 560027, 657423, 1163133, 1680081, 5040243, 15120729]

約数ペア:

[(1, 15120729), (3, 5040243), (9, 1680081), (13, 1163133), (23, 657423), (27, 560027), (39, 387711), (69, 219141), (117, 129237), (207, 73047), (299, 50571), (351, 43079), (621, 24349), (897, 16857), (1873, 8073), (2691, 5619)]