7208901

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 12939264

約数和(自身を除く): 5730363

約数列:

[1, 3, 7, 9, 17, 21, 51, 53, 63, 119, 127, 153, 159, 357, 371, 381, 477, 889, 901, 1071, 1113, 1143, 2159, 2667, 2703, 3339, 6307, 6477, 6731, 8001, 8109, 15113, 18921, 19431, 20193, 45339, 47117, 56763, 60579, 114427, 136017, 141351, 343281, 424053, 800989, 1029843, 2402967, 7208901]

約数ペア:

[(1, 7208901), (3, 2402967), (7, 1029843), (9, 800989), (17, 424053), (21, 343281), (51, 141351), (53, 136017), (63, 114427), (119, 60579), (127, 56763), (153, 47117), (159, 45339), (357, 20193), (371, 19431), (381, 18921), (477, 15113), (889, 8109), (901, 8001), (1071, 6731), (1113, 6477), (1143, 6307), (2159, 3339), (2667, 2703)]