71231931

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8863}}^1$

素因数の和:8935

約数の個数: 24

約数和(自身を含む): 110622720

約数和(自身を除く): 39390789

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 8037, 8863, 26589, 79767, 168397, 416561, 505191, 1249683, 1515573, 3749049, 7914659, 23743977, 71231931]

約数ペア:

[(1, 71231931), (3, 23743977), (9, 7914659), (19, 3749049), (47, 1515573), (57, 1249683), (141, 505191), (171, 416561), (423, 168397), (893, 79767), (2679, 26589), (8037, 8863)]