25085385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 47318544

約数和(自身を除く): 22233159

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 137, 195, 313, 411, 585, 685, 939, 1233, 1565, 1781, 2055, 2817, 4069, 4695, 5343, 6165, 8905, 12207, 14085, 16029, 20345, 26715, 36621, 42881, 61035, 80145, 128643, 183105, 214405, 385929, 557453, 643215, 1672359, 1929645, 2787265, 5017077, 8361795, 25085385]

約数ペア:

[(1, 25085385), (3, 8361795), (5, 5017077), (9, 2787265), (13, 1929645), (15, 1672359), (39, 643215), (45, 557453), (65, 385929), (117, 214405), (137, 183105), (195, 128643), (313, 80145), (411, 61035), (585, 42881), (685, 36621), (939, 26715), (1233, 20345), (1565, 16029), (1781, 14085), (2055, 12207), (2817, 8905), (4069, 6165), (4695, 5343)]