7986843

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:816

約数の個数: 20

約数和(自身を含む): 12028368

約数和(自身を除く): 4041525

約数列:

[1, 3, 9, 27, 81, 151, 453, 653, 1359, 1959, 4077, 5877, 12231, 17631, 52893, 98603, 295809, 887427, 2662281, 7986843]

約数ペア:

[(1, 7986843), (3, 2662281), (9, 887427), (27, 295809), (81, 98603), (151, 52893), (453, 17631), (653, 12231), (1359, 5877), (1959, 4077)]