200712519

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{24697}}^1$

素因数の和:24756

約数の個数: 32

約数和(自身を含む): 347747840

約数和(自身を除く): 147035321

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 24697, 74091, 172879, 222273, 518637, 666819, 1061971, 1555911, 3185913, 4667733, 7433797, 9557739, 22301391, 28673217, 66904173, 200712519]

約数ペア:

[(1, 200712519), (3, 66904173), (7, 28673217), (9, 22301391), (21, 9557739), (27, 7433797), (43, 4667733), (63, 3185913), (129, 1555911), (189, 1061971), (301, 666819), (387, 518637), (903, 222273), (1161, 172879), (2709, 74091), (8127, 24697)]