200997909

素因数分解:

$3^3\times 7^1\times {\mathrm{947}}^1\times {\mathrm{1123}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 340976640

約数和(自身を除く): 139978731

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 947, 1123, 2841, 3369, 6629, 7861, 8523, 10107, 19887, 23583, 25569, 30321, 59661, 70749, 178983, 212247, 1063481, 3190443, 7444367, 9571329, 22333101, 28713987, 66999303, 200997909]

約数ペア:

[(1, 200997909), (3, 66999303), (7, 28713987), (9, 22333101), (21, 9571329), (27, 7444367), (63, 3190443), (189, 1063481), (947, 212247), (1123, 178983), (2841, 70749), (3369, 59661), (6629, 30321), (7861, 25569), (8523, 23583), (10107, 19887)]