31815279

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9041}}^1$

素因数の和:9087

約数の個数: 24

約数和(自身を含む): 50779872

約数和(自身を除く): 18964593

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 9041, 27123, 81369, 153697, 207943, 461091, 623829, 1383273, 1871487, 3535031, 10605093, 31815279]

約数ペア:

[(1, 31815279), (3, 10605093), (9, 3535031), (17, 1871487), (23, 1383273), (51, 623829), (69, 461091), (153, 207943), (207, 153697), (391, 81369), (1173, 27123), (3519, 9041)]