81530745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 141478272

約数和(自身を除く): 59947527

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 281, 345, 435, 667, 841, 843, 1405, 2001, 2523, 3335, 4205, 4215, 6463, 8149, 10005, 12615, 19343, 19389, 24447, 32315, 40745, 58029, 96715, 96945, 122235, 187427, 236321, 290145, 562281, 708963, 937135, 1181605, 2811405, 3544815, 5435383, 16306149, 27176915, 81530745]

約数ペア:

[(1, 81530745), (3, 27176915), (5, 16306149), (15, 5435383), (23, 3544815), (29, 2811405), (69, 1181605), (87, 937135), (115, 708963), (145, 562281), (281, 290145), (345, 236321), (435, 187427), (667, 122235), (841, 96945), (843, 96715), (1405, 58029), (2001, 40745), (2523, 32315), (3335, 24447), (4205, 19389), (4215, 19343), (6463, 12615), (8149, 10005)]