261570789

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 433060992

約数和(自身を除く): 171490203

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 243, 391, 459, 621, 1173, 1377, 1863, 2753, 3519, 4131, 5589, 8259, 10557, 24777, 31671, 46801, 63319, 74331, 95013, 140403, 189957, 222993, 421209, 569871, 668979, 1076423, 1263627, 1709613, 3229269, 3790881, 5128839, 9687807, 11372643, 15386517, 29063421, 87190263, 261570789]

約数ペア:

[(1, 261570789), (3, 87190263), (9, 29063421), (17, 15386517), (23, 11372643), (27, 9687807), (51, 5128839), (69, 3790881), (81, 3229269), (153, 1709613), (207, 1263627), (243, 1076423), (391, 668979), (459, 569871), (621, 421209), (1173, 222993), (1377, 189957), (1863, 140403), (2753, 95013), (3519, 74331), (4131, 63319), (5589, 46801), (8259, 31671), (10557, 24777)]