7782957

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 15073344

約数和(自身を除く): 7290387

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 43, 51, 63, 91, 117, 119, 129, 153, 169, 221, 273, 301, 357, 387, 507, 559, 663, 731, 819, 903, 1071, 1183, 1521, 1547, 1677, 1989, 2193, 2709, 2873, 3549, 3913, 4641, 5031, 5117, 6579, 7267, 8619, 9503, 10647, 11739, 13923, 15351, 20111, 21801, 25857, 28509, 35217, 46053, 50869, 60333, 65403, 66521, 85527, 123539, 152607, 180999, 199563, 370617, 457821, 598689, 864773, 1111851, 2594319, 7782957]

約数ペア:

[(1, 7782957), (3, 2594319), (7, 1111851), (9, 864773), (13, 598689), (17, 457821), (21, 370617), (39, 199563), (43, 180999), (51, 152607), (63, 123539), (91, 85527), (117, 66521), (119, 65403), (129, 60333), (153, 50869), (169, 46053), (221, 35217), (273, 28509), (301, 25857), (357, 21801), (387, 20111), (507, 15351), (559, 13923), (663, 11739), (731, 10647), (819, 9503), (903, 8619), (1071, 7267), (1183, 6579), (1521, 5117), (1547, 5031), (1677, 4641), (1989, 3913), (2193, 3549), (2709, 2873)]