681844959

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21529}}^1$

素因数の和:21581

約数の個数: 40

約数和(自身を含む): 1125416160

約数和(自身を除く): 443571201

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 621, 1173, 1377, 1863, 3519, 10557, 21529, 31671, 64587, 193761, 365993, 495167, 581283, 1097979, 1485501, 1743849, 3293937, 4456503, 8417839, 9881811, 13369509, 25253517, 29645433, 40108527, 75760551, 227281653, 681844959]

約数ペア:

[(1, 681844959), (3, 227281653), (9, 75760551), (17, 40108527), (23, 29645433), (27, 25253517), (51, 13369509), (69, 9881811), (81, 8417839), (153, 4456503), (207, 3293937), (391, 1743849), (459, 1485501), (621, 1097979), (1173, 581283), (1377, 495167), (1863, 365993), (3519, 193761), (10557, 64587), (21529, 31671)]