81267809

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{773}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 97189632

約数和(自身を除く): 15921823

約数列:

[1, 7, 23, 161, 653, 773, 4571, 5411, 15019, 17779, 105133, 124453, 504769, 3533383, 11609687, 81267809]

約数ペア:

[(1, 81267809), (7, 11609687), (23, 3533383), (161, 504769), (653, 124453), (773, 105133), (4571, 17779), (5411, 15019)]