81745197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 121347072

約数和(自身を除く): 39601875

約数列:

[1, 3, 17, 23, 51, 69, 227, 307, 391, 681, 921, 1173, 3859, 5219, 5221, 7061, 11577, 15657, 15663, 21183, 69689, 88757, 120037, 209067, 266271, 360111, 1184713, 1602847, 3554139, 4808541, 27248399, 81745197]

約数ペア:

[(1, 81745197), (3, 27248399), (17, 4808541), (23, 3554139), (51, 1602847), (69, 1184713), (227, 360111), (307, 266271), (391, 209067), (681, 120037), (921, 88757), (1173, 69689), (3859, 21183), (5219, 15663), (5221, 15657), (7061, 11577)]