27181539

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 49830144

約数和(自身を除く): 22648605

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 549, 643, 671, 693, 1281, 1929, 2013, 3843, 4501, 4697, 5787, 6039, 7073, 13503, 14091, 21219, 39223, 40509, 42273, 49511, 63657, 117669, 148533, 274561, 353007, 431453, 445599, 823683, 1294359, 2471049, 3020171, 3883077, 9060513, 27181539]

約数ペア:

[(1, 27181539), (3, 9060513), (7, 3883077), (9, 3020171), (11, 2471049), (21, 1294359), (33, 823683), (61, 445599), (63, 431453), (77, 353007), (99, 274561), (183, 148533), (231, 117669), (427, 63657), (549, 49511), (643, 42273), (671, 40509), (693, 39223), (1281, 21219), (1929, 14091), (2013, 13503), (3843, 7073), (4501, 6039), (4697, 5787)]