9970317

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 17141760

約数和(自身を除く): 7171443

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 743, 1491, 1917, 2229, 4473, 5201, 6687, 13419, 15603, 20061, 46809, 52753, 140427, 158259, 369271, 474777, 1107813, 1424331, 3323439, 9970317]

約数ペア:

[(1, 9970317), (3, 3323439), (7, 1424331), (9, 1107813), (21, 474777), (27, 369271), (63, 158259), (71, 140427), (189, 52753), (213, 46809), (497, 20061), (639, 15603), (743, 13419), (1491, 6687), (1917, 5201), (2229, 4473)]