9780321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 14577408

約数和(自身を除く): 4797087

約数列:

[1, 3, 17, 37, 51, 71, 73, 111, 213, 219, 629, 1207, 1241, 1887, 2627, 2701, 3621, 3723, 5183, 7881, 8103, 15549, 44659, 45917, 88111, 133977, 137751, 191771, 264333, 575313, 3260107, 9780321]

約数ペア:

[(1, 9780321), (3, 3260107), (17, 575313), (37, 264333), (51, 191771), (71, 137751), (73, 133977), (111, 88111), (213, 45917), (219, 44659), (629, 15549), (1207, 8103), (1241, 7881), (1887, 5183), (2627, 3723), (2701, 3621)]