181212957

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{33391}}^1$

素因数の和:33470

約数の個数: 20

約数和(自身を含む): 274749376

約数和(自身を除く): 93536419

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 33391, 100173, 300519, 901557, 2237197, 2704671, 6711591, 20134773, 60404319, 181212957]

約数ペア:

[(1, 181212957), (3, 60404319), (9, 20134773), (27, 6711591), (67, 2704671), (81, 2237197), (201, 901557), (603, 300519), (1809, 100173), (5427, 33391)]