256225905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9319}}^1$

素因数の和:9390

約数の個数: 48

約数和(自身を含む): 488517120

約数和(自身を除く): 232291215

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 705, 1833, 2115, 3055, 5499, 9165, 9319, 27495, 27957, 46595, 83871, 121147, 139785, 363441, 419355, 437993, 605735, 1090323, 1313979, 1817205, 2189965, 3941937, 5451615, 5693909, 6569895, 17081727, 19709685, 28469545, 51245181, 85408635, 256225905]

約数ペア:

[(1, 256225905), (3, 85408635), (5, 51245181), (9, 28469545), (13, 19709685), (15, 17081727), (39, 6569895), (45, 5693909), (47, 5451615), (65, 3941937), (117, 2189965), (141, 1817205), (195, 1313979), (235, 1090323), (423, 605735), (585, 437993), (611, 419355), (705, 363441), (1833, 139785), (2115, 121147), (3055, 83871), (5499, 46595), (9165, 27957), (9319, 27495)]