287231121

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{461}}^1\times {\mathrm{647}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 420323904

約数和(自身を除く): 133092783

約数列:

[1, 3, 9, 107, 321, 461, 647, 963, 1383, 1941, 4149, 5823, 49327, 69229, 147981, 207687, 298267, 443943, 623061, 894801, 2684403, 31914569, 95743707, 287231121]

約数ペア:

[(1, 287231121), (3, 95743707), (9, 31914569), (107, 2684403), (321, 894801), (461, 623061), (647, 443943), (963, 298267), (1383, 207687), (1941, 147981), (4149, 69229), (5823, 49327)]