81181743

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 116951040

約数和(自身を除く): 35769297

約数列:

[1, 3, 23, 53, 69, 79, 159, 237, 281, 843, 1219, 1817, 3657, 4187, 5451, 6463, 12561, 14893, 19389, 22199, 44679, 66597, 96301, 288903, 342539, 510577, 1027617, 1176547, 1531731, 3529641, 27060581, 81181743]

約数ペア:

[(1, 81181743), (3, 27060581), (23, 3529641), (53, 1531731), (69, 1176547), (79, 1027617), (159, 510577), (237, 342539), (281, 288903), (843, 96301), (1219, 66597), (1817, 44679), (3657, 22199), (4187, 19389), (5451, 14893), (6463, 12561)]