201687489

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4519}}^1$

素因数の和:4579

約数の個数: 40

約数和(自身を含む): 328152000

約数和(自身を除く): 126464511

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 783, 1539, 1653, 2349, 4519, 4959, 13557, 14877, 40671, 44631, 85861, 122013, 131051, 257583, 366039, 393153, 772749, 1179459, 2318247, 2489969, 3538377, 6954741, 7469907, 10615131, 22409721, 67229163, 201687489]

約数ペア:

[(1, 201687489), (3, 67229163), (9, 22409721), (19, 10615131), (27, 7469907), (29, 6954741), (57, 3538377), (81, 2489969), (87, 2318247), (171, 1179459), (261, 772749), (513, 393153), (551, 366039), (783, 257583), (1539, 131051), (1653, 122013), (2349, 85861), (4519, 44631), (4959, 40671), (13557, 14877)]