287113281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1051697}}^1$

素因数の和:1051720

約数の個数: 16

約数和(自身を含む): 471160704

約数和(自身を除く): 184047423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1051697, 3155091, 7361879, 13672061, 22085637, 41016183, 95704427, 287113281]

約数ペア:

[(1, 287113281), (3, 95704427), (7, 41016183), (13, 22085637), (21, 13672061), (39, 7361879), (91, 3155091), (273, 1051697)]