27571509

素因数分解:

$3^7\times 7^1\times {\mathrm{1801}}^1$

素因数の和:1829

約数の個数: 32

約数和(自身を含む): 47284480

約数和(自身を除く): 19712971

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1801, 2187, 5103, 5403, 12607, 15309, 16209, 37821, 48627, 113463, 145881, 340389, 437643, 1021167, 1312929, 3063501, 3938787, 9190503, 27571509]

約数ペア:

[(1, 27571509), (3, 9190503), (7, 3938787), (9, 3063501), (21, 1312929), (27, 1021167), (63, 437643), (81, 340389), (189, 145881), (243, 113463), (567, 48627), (729, 37821), (1701, 16209), (1801, 15309), (2187, 12607), (5103, 5403)]