47142921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 80898048

約数和(自身を除く): 33755127

約数列:

[1, 3, 7, 17, 21, 37, 43, 51, 83, 111, 119, 129, 249, 259, 301, 357, 581, 629, 731, 777, 903, 1411, 1591, 1743, 1887, 2193, 3071, 3569, 4233, 4403, 4773, 5117, 9213, 9877, 10707, 11137, 13209, 15351, 21497, 24983, 27047, 29631, 33411, 52207, 60673, 64491, 74949, 81141, 132053, 156621, 182019, 189329, 365449, 396159, 424711, 567987, 924371, 1096347, 1274133, 2244901, 2773113, 6734703, 15714307, 47142921]

約数ペア:

[(1, 47142921), (3, 15714307), (7, 6734703), (17, 2773113), (21, 2244901), (37, 1274133), (43, 1096347), (51, 924371), (83, 567987), (111, 424711), (119, 396159), (129, 365449), (249, 189329), (259, 182019), (301, 156621), (357, 132053), (581, 81141), (629, 74949), (731, 64491), (777, 60673), (903, 52207), (1411, 33411), (1591, 29631), (1743, 27047), (1887, 24983), (2193, 21497), (3071, 15351), (3569, 13209), (4233, 11137), (4403, 10707), (4773, 9877), (5117, 9213)]