8820819

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 15426048

約数和(自身を除く): 6605229

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 331, 423, 567, 987, 993, 1269, 2317, 2961, 2979, 3807, 6951, 8883, 8937, 15557, 20853, 26649, 26811, 46671, 62559, 108899, 140013, 187677, 326697, 420039, 980091, 1260117, 2940273, 8820819]

約数ペア:

[(1, 8820819), (3, 2940273), (7, 1260117), (9, 980091), (21, 420039), (27, 326697), (47, 187677), (63, 140013), (81, 108899), (141, 62559), (189, 46671), (329, 26811), (331, 26649), (423, 20853), (567, 15557), (987, 8937), (993, 8883), (1269, 6951), (2317, 3807), (2961, 2979)]