49650939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 80720640

約数和(自身を除く): 31069701

約数列:

[1, 3, 9, 13, 39, 43, 71, 117, 129, 139, 213, 387, 417, 559, 639, 923, 1251, 1677, 1807, 2769, 3053, 5031, 5421, 5977, 8307, 9159, 9869, 16263, 17931, 27477, 29607, 39689, 53793, 77701, 88821, 119067, 128297, 233103, 357201, 384891, 424367, 699309, 1154673, 1273101, 3819303, 5516771, 16550313, 49650939]

約数ペア:

[(1, 49650939), (3, 16550313), (9, 5516771), (13, 3819303), (39, 1273101), (43, 1154673), (71, 699309), (117, 424367), (129, 384891), (139, 357201), (213, 233103), (387, 128297), (417, 119067), (559, 88821), (639, 77701), (923, 53793), (1251, 39689), (1677, 29607), (1807, 27477), (2769, 17931), (3053, 16263), (5031, 9869), (5421, 9159), (5977, 8307)]