222780321

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{463}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 336752640

約数和(自身を除く): 113972319

約数列:

[1, 3, 9, 27, 71, 213, 251, 463, 639, 753, 1389, 1917, 2259, 4167, 6777, 12501, 17821, 32873, 53463, 98619, 116213, 160389, 295857, 348639, 481167, 887571, 1045917, 3137751, 8251123, 24753369, 74260107, 222780321]

約数ペア:

[(1, 222780321), (3, 74260107), (9, 24753369), (27, 8251123), (71, 3137751), (213, 1045917), (251, 887571), (463, 481167), (639, 348639), (753, 295857), (1389, 160389), (1917, 116213), (2259, 98619), (4167, 53463), (6777, 32873), (12501, 17821)]