201909789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 324979200

約数和(自身を除く): 123069411

約数列:

[1, 3, 9, 19, 31, 41, 57, 93, 123, 171, 279, 369, 589, 779, 929, 1271, 1767, 2337, 2787, 3813, 5301, 7011, 8361, 11439, 17651, 24149, 28799, 38089, 52953, 72447, 86397, 114267, 158859, 217341, 259191, 342801, 547181, 723691, 1180759, 1641543, 2171073, 3542277, 4924629, 6513219, 10626831, 22434421, 67303263, 201909789]

約数ペア:

[(1, 201909789), (3, 67303263), (9, 22434421), (19, 10626831), (31, 6513219), (41, 4924629), (57, 3542277), (93, 2171073), (123, 1641543), (171, 1180759), (279, 723691), (369, 547181), (589, 342801), (779, 259191), (929, 217341), (1271, 158859), (1767, 114267), (2337, 86397), (2787, 72447), (3813, 52953), (5301, 38089), (7011, 28799), (8361, 24149), (11439, 17651)]