1288391391

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{3917}}^1$

素因数の和:4180

約数の個数: 48

約数和(自身を含む): 2229686784

約数和(自身を除く): 941295393

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 227, 483, 681, 1449, 1589, 2043, 3917, 4767, 5221, 11751, 14301, 15663, 27419, 35253, 36547, 46989, 82257, 90091, 109641, 246771, 270273, 328923, 630637, 810819, 889159, 1891911, 2667477, 5675733, 6224113, 8002431, 18672339, 20450657, 56017017, 61351971, 143154599, 184055913, 429463797, 1288391391]

約数ペア:

[(1, 1288391391), (3, 429463797), (7, 184055913), (9, 143154599), (21, 61351971), (23, 56017017), (63, 20450657), (69, 18672339), (161, 8002431), (207, 6224113), (227, 5675733), (483, 2667477), (681, 1891911), (1449, 889159), (1589, 810819), (2043, 630637), (3917, 328923), (4767, 270273), (5221, 246771), (11751, 109641), (14301, 90091), (15663, 82257), (27419, 46989), (35253, 36547)]