61777455

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 107986560

約数和(自身を除く): 46209105

約数列:

[1, 3, 5, 15, 19, 43, 57, 71, 95, 129, 213, 215, 285, 355, 645, 817, 1065, 1349, 2451, 3053, 4047, 4085, 5041, 6745, 9159, 12255, 15123, 15265, 20235, 25205, 45795, 58007, 75615, 95779, 174021, 216763, 287337, 290035, 478895, 650289, 870105, 1083815, 1436685, 3251445, 4118497, 12355491, 20592485, 61777455]

約数ペア:

[(1, 61777455), (3, 20592485), (5, 12355491), (15, 4118497), (19, 3251445), (43, 1436685), (57, 1083815), (71, 870105), (95, 650289), (129, 478895), (213, 290035), (215, 287337), (285, 216763), (355, 174021), (645, 95779), (817, 75615), (1065, 58007), (1349, 45795), (2451, 25205), (3053, 20235), (4047, 15265), (4085, 15123), (5041, 12255), (6745, 9159)]