201661893

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{37159}}^1$

素因数の和:37238

約数の個数: 20

約数和(自身を含む): 305752480

約数和(自身を除く): 104090587

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 37159, 111477, 334431, 1003293, 2489653, 3009879, 7468959, 22406877, 67220631, 201661893]

約数ペア:

[(1, 201661893), (3, 67220631), (9, 22406877), (27, 7468959), (67, 3009879), (81, 2489653), (201, 1003293), (603, 334431), (1809, 111477), (5427, 37159)]