26819829

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19477}}^1$

素因数の和:19506

約数の個数: 20

約数和(自身を含む): 42423084

約数和(自身を除く): 15603255

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19477, 58431, 175293, 331109, 525879, 993327, 1577637, 2979981, 8939943, 26819829]

約数ペア:

[(1, 26819829), (3, 8939943), (9, 2979981), (17, 1577637), (27, 993327), (51, 525879), (81, 331109), (153, 175293), (459, 58431), (1377, 19477)]