261635535

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9547}}^1$

素因数の和:9597

約数の個数: 64

約数和(自身を含む): 549964800

約数和(自身を除く): 288329265

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 87, 105, 135, 145, 189, 203, 261, 315, 435, 609, 783, 945, 1015, 1305, 1827, 3045, 3915, 5481, 9135, 9547, 27405, 28641, 47735, 66829, 85923, 143205, 200487, 257769, 276863, 334145, 429615, 601461, 830589, 1002435, 1288845, 1384315, 1804383, 1938041, 2491767, 3007305, 4152945, 5814123, 7475301, 9021915, 9690205, 12458835, 17442369, 29070615, 37376505, 52327107, 87211845, 261635535]

約数ペア:

[(1, 261635535), (3, 87211845), (5, 52327107), (7, 37376505), (9, 29070615), (15, 17442369), (21, 12458835), (27, 9690205), (29, 9021915), (35, 7475301), (45, 5814123), (63, 4152945), (87, 3007305), (105, 2491767), (135, 1938041), (145, 1804383), (189, 1384315), (203, 1288845), (261, 1002435), (315, 830589), (435, 601461), (609, 429615), (783, 334145), (945, 276863), (1015, 257769), (1305, 200487), (1827, 143205), (3045, 85923), (3915, 66829), (5481, 47735), (9135, 28641), (9547, 27405)]