68478489

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 108908800

約数和(自身を除く): 40430311

約数列:

[1, 3, 9, 19, 43, 57, 67, 129, 139, 171, 201, 387, 417, 603, 817, 1251, 1273, 2451, 2641, 2881, 3819, 5977, 7353, 7923, 8643, 9313, 11457, 17931, 23769, 25929, 27939, 53793, 54739, 83817, 113563, 164217, 176947, 340689, 400459, 492651, 530841, 1022067, 1201377, 1592523, 3604131, 7608721, 22826163, 68478489]

約数ペア:

[(1, 68478489), (3, 22826163), (9, 7608721), (19, 3604131), (43, 1592523), (57, 1201377), (67, 1022067), (129, 530841), (139, 492651), (171, 400459), (201, 340689), (387, 176947), (417, 164217), (603, 113563), (817, 83817), (1251, 54739), (1273, 53793), (2451, 27939), (2641, 25929), (2881, 23769), (3819, 17931), (5977, 11457), (7353, 9313), (7923, 8643)]