51955281

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 91728000

約数和(自身を除く): 39772719

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 139, 153, 349, 357, 417, 973, 1047, 1071, 1251, 2363, 2443, 2919, 3141, 5933, 7089, 7329, 8757, 16541, 17799, 21267, 21987, 41531, 48511, 49623, 53397, 124593, 145533, 148869, 339577, 373779, 436599, 824687, 1018731, 2474061, 3056193, 5772809, 7422183, 17318427, 51955281]

約数ペア:

[(1, 51955281), (3, 17318427), (7, 7422183), (9, 5772809), (17, 3056193), (21, 2474061), (51, 1018731), (63, 824687), (119, 436599), (139, 373779), (153, 339577), (349, 148869), (357, 145533), (417, 124593), (973, 53397), (1047, 49623), (1071, 48511), (1251, 41531), (2363, 21987), (2443, 21267), (2919, 17799), (3141, 16541), (5933, 8757), (7089, 7329)]