261078909

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 452928000

約数和(自身を除く): 191849091

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 343, 377, 609, 637, 673, 1029, 1131, 1421, 1911, 2019, 2639, 4263, 4459, 4711, 7917, 8749, 9947, 13377, 14133, 18473, 19517, 26247, 29841, 32977, 55419, 58551, 61243, 98931, 129311, 136619, 183729, 230839, 253721, 387933, 409857, 428701, 692517, 761163, 956333, 1286103, 1776047, 2868999, 3000907, 5328141, 6694331, 9002721, 12432329, 20082993, 37296987, 87026303, 261078909]

約数ペア:

[(1, 261078909), (3, 87026303), (7, 37296987), (13, 20082993), (21, 12432329), (29, 9002721), (39, 6694331), (49, 5328141), (87, 3000907), (91, 2868999), (147, 1776047), (203, 1286103), (273, 956333), (343, 761163), (377, 692517), (609, 428701), (637, 409857), (673, 387933), (1029, 253721), (1131, 230839), (1421, 183729), (1911, 136619), (2019, 129311), (2639, 98931), (4263, 61243), (4459, 58551), (4711, 55419), (7917, 32977), (8749, 29841), (9947, 26247), (13377, 19517), (14133, 18473)]