161839359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{887}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 271514880

約数和(自身を除く): 109675521

約数列:

[1, 3, 9, 11, 19, 33, 57, 97, 99, 171, 209, 291, 627, 873, 887, 1067, 1843, 1881, 2661, 3201, 5529, 7983, 9603, 9757, 16587, 16853, 20273, 29271, 50559, 60819, 86039, 87813, 151677, 182457, 185383, 258117, 556149, 774351, 946429, 1634741, 1668447, 2839287, 4904223, 8517861, 14712669, 17982151, 53946453, 161839359]

約数ペア:

[(1, 161839359), (3, 53946453), (9, 17982151), (11, 14712669), (19, 8517861), (33, 4904223), (57, 2839287), (97, 1668447), (99, 1634741), (171, 946429), (209, 774351), (291, 556149), (627, 258117), (873, 185383), (887, 182457), (1067, 151677), (1843, 87813), (1881, 86039), (2661, 60819), (3201, 50559), (5529, 29271), (7983, 20273), (9603, 16853), (9757, 16587)]