80218779

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 120299520

約数和(自身を除く): 40080741

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 437, 817, 989, 1311, 1423, 2451, 2967, 4269, 18791, 27037, 32729, 56373, 61189, 81111, 98187, 183567, 621851, 1162591, 1407347, 1865553, 3487773, 4222041, 26739593, 80218779]

約数ペア:

[(1, 80218779), (3, 26739593), (19, 4222041), (23, 3487773), (43, 1865553), (57, 1407347), (69, 1162591), (129, 621851), (437, 183567), (817, 98187), (989, 81111), (1311, 61189), (1423, 56373), (2451, 32729), (2967, 27037), (4269, 18791)]