81260907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297659}}^1$

素因数の和:297682

約数の個数: 16

約数和(自身を含む): 133351680

約数和(自身を除く): 52090773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 297659, 892977, 2083613, 3869567, 6250839, 11608701, 27086969, 81260907]

約数ペア:

[(1, 81260907), (3, 27086969), (7, 11608701), (13, 6250839), (21, 3869567), (39, 2083613), (91, 892977), (273, 297659)]