6401367

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 11531520

約数和(自身を除く): 5130153

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 139, 153, 301, 357, 387, 417, 731, 903, 973, 1071, 1251, 2193, 2363, 2709, 2919, 5117, 5977, 6579, 7089, 8757, 15351, 16541, 17931, 21267, 41839, 46053, 49623, 53793, 101609, 125517, 148869, 304827, 376551, 711263, 914481, 2133789, 6401367]

約数ペア:

[(1, 6401367), (3, 2133789), (7, 914481), (9, 711263), (17, 376551), (21, 304827), (43, 148869), (51, 125517), (63, 101609), (119, 53793), (129, 49623), (139, 46053), (153, 41839), (301, 21267), (357, 17931), (387, 16541), (417, 15351), (731, 8757), (903, 7089), (973, 6579), (1071, 5977), (1251, 5117), (2193, 2919), (2363, 2709)]