158355

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 40

約数和(自身を含む): 313632

約数和(自身を除く): 155277

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 115, 135, 153, 207, 255, 345, 391, 405, 459, 621, 765, 1035, 1173, 1377, 1863, 1955, 2295, 3105, 3519, 5865, 6885, 9315, 10557, 17595, 31671, 52785, 158355]

約数ペア:

[(1, 158355), (3, 52785), (5, 31671), (9, 17595), (15, 10557), (17, 9315), (23, 6885), (27, 5865), (45, 3519), (51, 3105), (69, 2295), (81, 1955), (85, 1863), (115, 1377), (135, 1173), (153, 1035), (207, 765), (255, 621), (345, 459), (391, 405)]