31231473

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 22011087

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 273, 277, 413, 637, 767, 831, 1239, 1911, 1939, 2301, 2891, 3601, 5369, 5817, 8673, 10803, 13573, 16107, 16343, 25207, 37583, 40719, 49029, 75621, 112749, 114401, 176449, 212459, 343203, 529347, 637377, 800807, 1487213, 2402421, 4461639, 10410491, 31231473]

約数ペア:

[(1, 31231473), (3, 10410491), (7, 4461639), (13, 2402421), (21, 1487213), (39, 800807), (49, 637377), (59, 529347), (91, 343203), (147, 212459), (177, 176449), (273, 114401), (277, 112749), (413, 75621), (637, 49029), (767, 40719), (831, 37583), (1239, 25207), (1911, 16343), (1939, 16107), (2301, 13573), (2891, 10803), (3601, 8673), (5369, 5817)]