28272267

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 44582400

約数和(自身を除く): 16310133

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 859, 1219, 1431, 2577, 3657, 7731, 10971, 19757, 23193, 32913, 45527, 59271, 136581, 177813, 409743, 533439, 1047121, 1229229, 3141363, 9424089, 28272267]

約数ペア:

[(1, 28272267), (3, 9424089), (9, 3141363), (23, 1229229), (27, 1047121), (53, 533439), (69, 409743), (159, 177813), (207, 136581), (477, 59271), (621, 45527), (859, 32913), (1219, 23193), (1431, 19757), (2577, 10971), (3657, 7731)]