81987009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{16553}}^1$

素因数の和:16696

約数の個数: 16

約数和(自身を含む): 118659072

約数和(自身を除く): 36672063

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4953, 16553, 49659, 215189, 645567, 2102231, 6306693, 27329003, 81987009]

約数ペア:

[(1, 81987009), (3, 27329003), (13, 6306693), (39, 2102231), (127, 645567), (381, 215189), (1651, 49659), (4953, 16553)]