201929679

素因数分解:

$3^4\times 7^1\times {\mathrm{356137}}^1$

素因数の和:356156

約数の個数: 20

約数和(自身を含む): 344741584

約数和(自身を除く): 142811905

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 356137, 1068411, 2492959, 3205233, 7478877, 9615699, 22436631, 28847097, 67309893, 201929679]

約数ペア:

[(1, 201929679), (3, 67309893), (7, 28847097), (9, 22436631), (21, 9615699), (27, 7478877), (63, 3205233), (81, 2492959), (189, 1068411), (567, 356137)]