28921671

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 45408000

約数和(自身を除く): 16486329

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 783, 859, 1161, 1247, 2577, 3741, 7731, 11223, 23193, 24911, 33669, 36937, 74733, 110811, 224199, 332433, 672597, 997299, 1071173, 3213519, 9640557, 28921671]

約数ペア:

[(1, 28921671), (3, 9640557), (9, 3213519), (27, 1071173), (29, 997299), (43, 672597), (87, 332433), (129, 224199), (261, 110811), (387, 74733), (783, 36937), (859, 33669), (1161, 24911), (1247, 23193), (2577, 11223), (3741, 7731)]