280071603

素因数分解:

$3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{3671}}^1$

素因数の和:3864

約数の個数: 36

約数和(自身を含む): 473445648

約数和(自身を除く): 193374045

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 173, 441, 519, 1211, 1557, 3633, 3671, 8477, 10899, 11013, 25431, 25697, 33039, 76293, 77091, 179879, 231273, 539637, 635083, 1618911, 1905249, 4445581, 5715747, 13336743, 31119067, 40010229, 93357201, 280071603]

約数ペア:

[(1, 280071603), (3, 93357201), (7, 40010229), (9, 31119067), (21, 13336743), (49, 5715747), (63, 4445581), (147, 1905249), (173, 1618911), (441, 635083), (519, 539637), (1211, 231273), (1557, 179879), (3633, 77091), (3671, 76293), (8477, 33039), (10899, 25697), (11013, 25431)]