28793961

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 50343744

約数和(自身を除く): 21549783

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 1181, 2709, 3483, 3543, 8127, 8267, 10629, 24381, 24801, 31887, 50783, 74403, 95661, 152349, 223209, 355481, 457047, 669627, 1066443, 1371141, 3199329, 4113423, 9597987, 28793961]

約数ペア:

[(1, 28793961), (3, 9597987), (7, 4113423), (9, 3199329), (21, 1371141), (27, 1066443), (43, 669627), (63, 457047), (81, 355481), (129, 223209), (189, 152349), (301, 95661), (387, 74403), (567, 50783), (903, 31887), (1161, 24801), (1181, 24381), (2709, 10629), (3483, 8267), (3543, 8127)]