90090009

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{49801}}^1$

素因数の和:49877

約数の個数: 16

約数和(自身を含む): 135461440

約数和(自身を除く): 45371431

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 49801, 149403, 448209, 1344627, 3336667, 10010001, 30030003, 90090009]

約数ペア:

[(1, 90090009), (3, 30030003), (9, 10010001), (27, 3336667), (67, 1344627), (201, 448209), (603, 149403), (1809, 49801)]