81456627

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1063}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 47244813

約数列:

[1, 3, 7, 21, 41, 89, 123, 267, 287, 623, 861, 1063, 1869, 3189, 3649, 7441, 10947, 22323, 25543, 43583, 76629, 94607, 130749, 283821, 305081, 662249, 915243, 1986747, 3878887, 11636661, 27152209, 81456627]

約数ペア:

[(1, 81456627), (3, 27152209), (7, 11636661), (21, 3878887), (41, 1986747), (89, 915243), (123, 662249), (267, 305081), (287, 283821), (623, 130749), (861, 94607), (1063, 76629), (1869, 43583), (3189, 25543), (3649, 22323), (7441, 10947)]