199702905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{9811}}^1$

素因数の和:9901

約数の個数: 32

約数和(自身を含む): 339102720

約数和(自身を除く): 139399815

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 1357, 4071, 6785, 9811, 20355, 29433, 49055, 147165, 225653, 578849, 676959, 1128265, 1736547, 2894245, 3384795, 8682735, 13313527, 39940581, 66567635, 199702905]

約数ペア:

[(1, 199702905), (3, 66567635), (5, 39940581), (15, 13313527), (23, 8682735), (59, 3384795), (69, 2894245), (115, 1736547), (177, 1128265), (295, 676959), (345, 578849), (885, 225653), (1357, 147165), (4071, 49055), (6785, 29433), (9811, 20355)]