18279729

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 30710400

約数和(自身を除く): 12430671

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2741, 6669, 8223, 24669, 35633, 52079, 74007, 106899, 156237, 320697, 468711, 677027, 962091, 1406133, 2031081, 6093243, 18279729]

約数ペア:

[(1, 18279729), (3, 6093243), (9, 2031081), (13, 1406133), (19, 962091), (27, 677027), (39, 468711), (57, 320697), (117, 156237), (171, 106899), (247, 74007), (351, 52079), (513, 35633), (741, 24669), (2223, 8223), (2741, 6669)]