81754029

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6269}}^1$

素因数の和:6311

約数の個数: 40

約数和(自身を含む): 145664640

約数和(自身を除く): 63910611

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 6269, 13041, 18807, 43883, 56421, 131649, 144187, 169263, 394947, 432561, 507789, 1009309, 1184841, 1297683, 3027927, 3554523, 3893049, 9083781, 11679147, 27251343, 81754029]

約数ペア:

[(1, 81754029), (3, 27251343), (7, 11679147), (9, 9083781), (21, 3893049), (23, 3554523), (27, 3027927), (63, 1297683), (69, 1184841), (81, 1009309), (161, 507789), (189, 432561), (207, 394947), (483, 169263), (567, 144187), (621, 131649), (1449, 56421), (1863, 43883), (4347, 18807), (6269, 13041)]