247842

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{281}}^1$

素因数の和:303

約数の個数: 36

約数和(自身を含む): 626886

約数和(自身を除く): 379044

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 281, 294, 441, 562, 843, 882, 1686, 1967, 2529, 3934, 5058, 5901, 11802, 13769, 17703, 27538, 35406, 41307, 82614, 123921, 247842]

約数ペア:

[(1, 247842), (2, 123921), (3, 82614), (6, 41307), (7, 35406), (9, 27538), (14, 17703), (18, 13769), (21, 11802), (42, 5901), (49, 5058), (63, 3934), (98, 2529), (126, 1967), (147, 1686), (281, 882), (294, 843), (441, 562)]