137966475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 243064800

約数和(自身を除く): 105098325

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 241, 255, 425, 449, 723, 1205, 1275, 1347, 2245, 3615, 4097, 6025, 6735, 7633, 11225, 12291, 18075, 20485, 22899, 33675, 38165, 61455, 102425, 108209, 114495, 190825, 307275, 324627, 541045, 572475, 1623135, 1839553, 2705225, 5518659, 8115675, 9197765, 27593295, 45988825, 137966475]

約数ペア:

[(1, 137966475), (3, 45988825), (5, 27593295), (15, 9197765), (17, 8115675), (25, 5518659), (51, 2705225), (75, 1839553), (85, 1623135), (241, 572475), (255, 541045), (425, 324627), (449, 307275), (723, 190825), (1205, 114495), (1275, 108209), (1347, 102425), (2245, 61455), (3615, 38165), (4097, 33675), (6025, 22899), (6735, 20485), (7633, 18075), (11225, 12291)]