48777981

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 81259200

約数和(自身を除く): 32481219

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 131, 147, 149, 357, 393, 447, 833, 917, 1043, 2227, 2499, 2533, 2751, 3129, 6419, 6681, 7301, 7599, 15589, 17731, 19257, 19519, 21903, 46767, 53193, 58557, 109123, 124117, 136633, 327369, 331823, 372351, 409899, 956431, 995469, 2322761, 2869293, 6968283, 16259327, 48777981]

約数ペア:

[(1, 48777981), (3, 16259327), (7, 6968283), (17, 2869293), (21, 2322761), (49, 995469), (51, 956431), (119, 409899), (131, 372351), (147, 331823), (149, 327369), (357, 136633), (393, 124117), (447, 109123), (833, 58557), (917, 53193), (1043, 46767), (2227, 21903), (2499, 19519), (2533, 19257), (2751, 17731), (3129, 15589), (6419, 7599), (6681, 7301)]