31928841

素因数分解:

$3^2\times 7^3\times {\mathrm{10343}}^1$

素因数の和:10370

約数の個数: 24

約数和(自身を含む): 53788800

約数和(自身を除く): 21859959

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 10343, 31029, 72401, 93087, 217203, 506807, 651609, 1520421, 3547649, 4561263, 10642947, 31928841]

約数ペア:

[(1, 31928841), (3, 10642947), (7, 4561263), (9, 3547649), (21, 1520421), (49, 651609), (63, 506807), (147, 217203), (343, 93087), (441, 72401), (1029, 31029), (3087, 10343)]