81101454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27197}}^1$

素因数の和:27280

約数の個数: 32

約数和(自身を含む): 187992576

約数和(自身を除く): 106891122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 27197, 54394, 81591, 163182, 190379, 380758, 571137, 1142274, 1930987, 3861974, 5792961, 11585922, 13516909, 27033818, 40550727, 81101454]

約数ペア:

[(1, 81101454), (2, 40550727), (3, 27033818), (6, 13516909), (7, 11585922), (14, 5792961), (21, 3861974), (42, 1930987), (71, 1142274), (142, 571137), (213, 380758), (426, 190379), (497, 163182), (994, 81591), (1491, 54394), (2982, 27197)]