81271603

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 94982400

約数和(自身を除く): 13710797

約数列:

[1, 7, 67, 149, 469, 1043, 1163, 8141, 9983, 69881, 77921, 173287, 545447, 1213009, 11610229, 81271603]

約数ペア:

[(1, 81271603), (7, 11610229), (67, 1213009), (149, 545447), (469, 173287), (1043, 77921), (1163, 69881), (8141, 9983)]