127180431

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{1667}}^1$

素因数の和:1860

約数の個数: 36

約数和(自身を含む): 215061912

約数和(自身を除く): 87881481

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1211, 1557, 1667, 3633, 5001, 8477, 10899, 11669, 15003, 25431, 35007, 76293, 81683, 105021, 245049, 288391, 735147, 865173, 2018737, 2595519, 6056211, 14131159, 18168633, 42393477, 127180431]

約数ペア:

[(1, 127180431), (3, 42393477), (7, 18168633), (9, 14131159), (21, 6056211), (49, 2595519), (63, 2018737), (147, 865173), (173, 735147), (441, 288391), (519, 245049), (1211, 105021), (1557, 81683), (1667, 76293), (3633, 35007), (5001, 25431), (8477, 15003), (10899, 11669)]