71326815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 64

約数和(自身を含む): 142663680

約数和(自身を除く): 71336865

約数列:

[1, 3, 5, 7, 15, 17, 21, 31, 35, 51, 85, 93, 105, 119, 155, 217, 255, 357, 465, 527, 595, 651, 1085, 1289, 1581, 1785, 2635, 3255, 3689, 3867, 6445, 7905, 9023, 11067, 18445, 19335, 21913, 27069, 39959, 45115, 55335, 65739, 109565, 119877, 135345, 153391, 199795, 279713, 328695, 460173, 599385, 679303, 766955, 839139, 1398565, 2037909, 2300865, 3396515, 4195695, 4755121, 10189545, 14265363, 23775605, 71326815]

約数ペア:

[(1, 71326815), (3, 23775605), (5, 14265363), (7, 10189545), (15, 4755121), (17, 4195695), (21, 3396515), (31, 2300865), (35, 2037909), (51, 1398565), (85, 839139), (93, 766955), (105, 679303), (119, 599385), (155, 460173), (217, 328695), (255, 279713), (357, 199795), (465, 153391), (527, 135345), (595, 119877), (651, 109565), (1085, 65739), (1289, 55335), (1581, 45115), (1785, 39959), (2635, 27069), (3255, 21913), (3689, 19335), (3867, 18445), (6445, 11067), (7905, 9023)]