25309515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 28189365

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 165, 187, 231, 255, 357, 385, 561, 595, 935, 1155, 1289, 1309, 1785, 2805, 3867, 3927, 6445, 6545, 9023, 14179, 19335, 19635, 21913, 27069, 42537, 45115, 65739, 70895, 99253, 109565, 135345, 153391, 212685, 241043, 297759, 328695, 460173, 496265, 723129, 766955, 1205215, 1488795, 1687301, 2300865, 3615645, 5061903, 8436505, 25309515]

約数ペア:

[(1, 25309515), (3, 8436505), (5, 5061903), (7, 3615645), (11, 2300865), (15, 1687301), (17, 1488795), (21, 1205215), (33, 766955), (35, 723129), (51, 496265), (55, 460173), (77, 328695), (85, 297759), (105, 241043), (119, 212685), (165, 153391), (187, 135345), (231, 109565), (255, 99253), (357, 70895), (385, 65739), (561, 45115), (595, 42537), (935, 27069), (1155, 21913), (1289, 19635), (1309, 19335), (1785, 14179), (2805, 9023), (3867, 6545), (3927, 6445)]