257544501

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 372928512

約数和(自身を除く): 115384011

約数列:

[1, 3, 23, 43, 61, 69, 129, 183, 989, 1403, 1423, 2623, 2967, 4209, 4269, 7869, 32729, 60329, 61189, 86803, 98187, 180987, 183567, 260409, 1407347, 1996469, 3732529, 4222041, 5989407, 11197587, 85848167, 257544501]

約数ペア:

[(1, 257544501), (3, 85848167), (23, 11197587), (43, 5989407), (61, 4222041), (69, 3732529), (129, 1996469), (183, 1407347), (989, 260409), (1403, 183567), (1423, 180987), (2623, 98187), (2967, 86803), (4209, 61189), (4269, 60329), (7869, 32729)]