27790209

素因数分解:

$3^7\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 42430080

約数和(自身を除く): 14639871

約数列:

[1, 3, 9, 27, 81, 97, 131, 243, 291, 393, 729, 873, 1179, 2187, 2619, 3537, 7857, 10611, 12707, 23571, 31833, 38121, 70713, 95499, 114363, 212139, 286497, 343089, 1029267, 3087801, 9263403, 27790209]

約数ペア:

[(1, 27790209), (3, 9263403), (9, 3087801), (27, 1029267), (81, 343089), (97, 286497), (131, 212139), (243, 114363), (291, 95499), (393, 70713), (729, 38121), (873, 31833), (1179, 23571), (2187, 12707), (2619, 10611), (3537, 7857)]