31821867

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 58586112

約数和(自身を除く): 26764245

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 693, 977, 987, 1551, 2931, 2961, 3619, 4653, 6839, 8793, 10747, 10857, 20517, 32241, 32571, 45919, 61551, 75229, 96723, 137757, 225687, 321433, 413271, 505109, 677061, 964299, 1515327, 2892897, 3535763, 4545981, 10607289, 31821867]

約数ペア:

[(1, 31821867), (3, 10607289), (7, 4545981), (9, 3535763), (11, 2892897), (21, 1515327), (33, 964299), (47, 677061), (63, 505109), (77, 413271), (99, 321433), (141, 225687), (231, 137757), (329, 96723), (423, 75229), (517, 61551), (693, 45919), (977, 32571), (987, 32241), (1551, 20517), (2931, 10857), (2961, 10747), (3619, 8793), (4653, 6839)]