27210729

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 19903191

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 491, 609, 637, 1131, 1421, 1473, 1911, 2639, 3437, 4263, 6383, 7917, 10311, 14239, 18473, 19149, 24059, 42717, 44681, 55419, 72177, 99673, 134043, 185107, 299019, 312767, 555321, 697711, 938301, 1295749, 2093133, 3887247, 9070243, 27210729]

約数ペア:

[(1, 27210729), (3, 9070243), (7, 3887247), (13, 2093133), (21, 1295749), (29, 938301), (39, 697711), (49, 555321), (87, 312767), (91, 299019), (147, 185107), (203, 134043), (273, 99673), (377, 72177), (491, 55419), (609, 44681), (637, 42717), (1131, 24059), (1421, 19149), (1473, 18473), (1911, 14239), (2639, 10311), (3437, 7917), (4263, 6383)]