80521497

素因数分解:

$3^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1553}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 133171584

約数和(自身を除く): 52650087

約数列:

[1, 3, 7, 9, 21, 63, 823, 1553, 2469, 4659, 5761, 7407, 10871, 13977, 17283, 32613, 51849, 97839, 1278119, 3834357, 8946833, 11503071, 26840499, 80521497]

約数ペア:

[(1, 80521497), (3, 26840499), (7, 11503071), (9, 8946833), (21, 3834357), (63, 1278119), (823, 97839), (1553, 51849), (2469, 32613), (4659, 17283), (5761, 13977), (7407, 10871)]