81262197

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:911

約数の個数: 40

約数和(自身を含む): 129216384

約数和(自身を除く): 47954187

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 207, 477, 621, 823, 1219, 1431, 1863, 2469, 3657, 4293, 7407, 10971, 18929, 22221, 32913, 43619, 56787, 66663, 98739, 130857, 170361, 392571, 511083, 1003237, 1177713, 1533249, 3009711, 3533139, 9029133, 27087399, 81262197]

約数ペア:

[(1, 81262197), (3, 27087399), (9, 9029133), (23, 3533139), (27, 3009711), (53, 1533249), (69, 1177713), (81, 1003237), (159, 511083), (207, 392571), (477, 170361), (621, 130857), (823, 98739), (1219, 66663), (1431, 56787), (1863, 43619), (2469, 32913), (3657, 22221), (4293, 18929), (7407, 10971)]