78960903

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 136581120

約数和(自身を除く): 57620217

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 1663, 2261, 2499, 2793, 4989, 6783, 11641, 15827, 28271, 31597, 34923, 47481, 81487, 84813, 94791, 197897, 221179, 244461, 537149, 593691, 663537, 1385279, 1548253, 1611447, 3760043, 4155837, 4644759, 11280129, 26320301, 78960903]

約数ペア:

[(1, 78960903), (3, 26320301), (7, 11280129), (17, 4644759), (19, 4155837), (21, 3760043), (49, 1611447), (51, 1548253), (57, 1385279), (119, 663537), (133, 593691), (147, 537149), (323, 244461), (357, 221179), (399, 197897), (833, 94791), (931, 84813), (969, 81487), (1663, 47481), (2261, 34923), (2499, 31597), (2793, 28271), (4989, 15827), (6783, 11641)]