66972945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 124104960

約数和(自身を除く): 57132015

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 89, 195, 221, 227, 255, 267, 445, 663, 681, 1105, 1135, 1157, 1335, 1513, 2951, 3315, 3405, 3471, 3859, 4539, 5785, 7565, 8853, 11577, 14755, 17355, 19295, 19669, 20203, 22695, 44265, 50167, 57885, 59007, 60609, 98345, 101015, 150501, 250835, 262639, 295035, 303045, 343451, 752505, 787917, 1030353, 1313195, 1717255, 3939585, 4464863, 5151765, 13394589, 22324315, 66972945]

約数ペア:

[(1, 66972945), (3, 22324315), (5, 13394589), (13, 5151765), (15, 4464863), (17, 3939585), (39, 1717255), (51, 1313195), (65, 1030353), (85, 787917), (89, 752505), (195, 343451), (221, 303045), (227, 295035), (255, 262639), (267, 250835), (445, 150501), (663, 101015), (681, 98345), (1105, 60609), (1135, 59007), (1157, 57885), (1335, 50167), (1513, 44265), (2951, 22695), (3315, 20203), (3405, 19669), (3471, 19295), (3859, 17355), (4539, 14755), (5785, 11577), (7565, 8853)]