9928989

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 16503552

約数和(自身を除く): 6574563

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 911, 1211, 1557, 2733, 3633, 6377, 8199, 10899, 19131, 57393, 157603, 472809, 1103221, 1418427, 3309663, 9928989]

約数ペア:

[(1, 9928989), (3, 3309663), (7, 1418427), (9, 1103221), (21, 472809), (63, 157603), (173, 57393), (519, 19131), (911, 10899), (1211, 8199), (1557, 6377), (2733, 3633)]