289505961

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{261523}}^1$

素因数の和:261573

約数の個数: 16

約数和(自身を含む): 439360320

約数和(自身を除く): 149854359

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 261523, 784569, 2353707, 7061121, 10722443, 32167329, 96501987, 289505961]

約数ペア:

[(1, 289505961), (3, 96501987), (9, 32167329), (27, 10722443), (41, 7061121), (123, 2353707), (369, 784569), (1107, 261523)]