204581655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{15731}}^1$

素因数の和:15776

約数の個数: 36

約数和(自身を含む): 376718472

約数和(自身を除く): 172136817

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 13005, 15731, 47193, 78655, 141579, 235965, 267427, 707895, 802281, 1337135, 2406843, 4011405, 4546259, 12034215, 13638777, 22731295, 40916331, 68193885, 204581655]

約数ペア:

[(1, 204581655), (3, 68193885), (5, 40916331), (9, 22731295), (15, 13638777), (17, 12034215), (45, 4546259), (51, 4011405), (85, 2406843), (153, 1337135), (255, 802281), (289, 707895), (765, 267427), (867, 235965), (1445, 141579), (2601, 78655), (4335, 47193), (13005, 15731)]