55570263

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 93883104

約数和(自身を除く): 38312841

約数列:

[1, 3, 7, 17, 21, 37, 49, 51, 111, 119, 147, 259, 357, 601, 629, 777, 833, 1803, 1813, 1887, 2499, 4207, 4403, 5439, 10217, 12621, 13209, 22237, 29449, 30651, 30821, 66711, 71519, 88347, 92463, 155659, 214557, 378029, 466977, 500633, 1089613, 1134087, 1501899, 2646203, 3268839, 7938609, 18523421, 55570263]

約数ペア:

[(1, 55570263), (3, 18523421), (7, 7938609), (17, 3268839), (21, 2646203), (37, 1501899), (49, 1134087), (51, 1089613), (111, 500633), (119, 466977), (147, 378029), (259, 214557), (357, 155659), (601, 92463), (629, 88347), (777, 71519), (833, 66711), (1803, 30821), (1813, 30651), (1887, 29449), (2499, 22237), (4207, 13209), (4403, 12621), (5439, 10217)]