40904019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8527}}^1$

素因数の和:8587

約数の個数: 24

約数和(自身を含む): 65188032

約数和(自身を除く): 24284013

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 8527, 25581, 76743, 110851, 332553, 349607, 997659, 1048821, 3146463, 4544891, 13634673, 40904019]

約数ペア:

[(1, 40904019), (3, 13634673), (9, 4544891), (13, 3146463), (39, 1048821), (41, 997659), (117, 349607), (123, 332553), (369, 110851), (533, 76743), (1599, 25581), (4797, 8527)]