121174215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 210986208

約数和(自身を除く): 89811993

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 257, 645, 731, 771, 1285, 1849, 2193, 3655, 3855, 4369, 5547, 9245, 10965, 11051, 13107, 21845, 27735, 31433, 33153, 55255, 65535, 94299, 157165, 165765, 187867, 471495, 475193, 563601, 939335, 1425579, 2375965, 2818005, 7127895, 8078281, 24234843, 40391405, 121174215]

約数ペア:

[(1, 121174215), (3, 40391405), (5, 24234843), (15, 8078281), (17, 7127895), (43, 2818005), (51, 2375965), (85, 1425579), (129, 939335), (215, 563601), (255, 475193), (257, 471495), (645, 187867), (731, 165765), (771, 157165), (1285, 94299), (1849, 65535), (2193, 55255), (3655, 33153), (3855, 31433), (4369, 27735), (5547, 21845), (9245, 13107), (10965, 11051)]