258267717

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 391403520

約数和(自身を除く): 133135803

約数列:

[1, 3, 9, 27, 61, 183, 191, 549, 573, 821, 1647, 1719, 2463, 5157, 7389, 11651, 22167, 34953, 50081, 104859, 150243, 156811, 314577, 450729, 470433, 1352187, 1411299, 4233897, 9565471, 28696413, 86089239, 258267717]

約数ペア:

[(1, 258267717), (3, 86089239), (9, 28696413), (27, 9565471), (61, 4233897), (183, 1411299), (191, 1352187), (549, 470433), (573, 450729), (821, 314577), (1647, 156811), (1719, 150243), (2463, 104859), (5157, 50081), (7389, 34953), (11651, 22167)]