219943431

素因数分解:

$3^5\times {\mathrm{409}}^1\times {\mathrm{2213}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 330417360

約数和(自身を除く): 110473929

約数列:

[1, 3, 9, 27, 81, 243, 409, 1227, 2213, 3681, 6639, 11043, 19917, 33129, 59751, 99387, 179253, 537759, 905117, 2715351, 8146053, 24438159, 73314477, 219943431]

約数ペア:

[(1, 219943431), (3, 73314477), (9, 24438159), (27, 8146053), (81, 2715351), (243, 905117), (409, 537759), (1227, 179253), (2213, 99387), (3681, 59751), (6639, 33129), (11043, 19917)]