66555255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1181}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 121925664

約数和(自身を除く): 55370409

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 663, 867, 1105, 1181, 1445, 3315, 3543, 3757, 4335, 5905, 11271, 15353, 17715, 18785, 20077, 46059, 56355, 60231, 76765, 100385, 230295, 261001, 301155, 341309, 783003, 1023927, 1305005, 1706545, 3915015, 4437017, 5119635, 13311051, 22185085, 66555255]

約数ペア:

[(1, 66555255), (3, 22185085), (5, 13311051), (13, 5119635), (15, 4437017), (17, 3915015), (39, 1706545), (51, 1305005), (65, 1023927), (85, 783003), (195, 341309), (221, 301155), (255, 261001), (289, 230295), (663, 100385), (867, 76765), (1105, 60231), (1181, 56355), (1445, 46059), (3315, 20077), (3543, 18785), (3757, 17715), (4335, 15353), (5905, 11271)]