51389877

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 88547904

約数和(自身を除く): 37158027

約数列:

[1, 3, 7, 11, 21, 33, 49, 61, 77, 147, 183, 231, 427, 521, 539, 671, 1281, 1563, 1617, 2013, 2989, 3647, 4697, 5731, 8967, 10941, 14091, 17193, 25529, 31781, 32879, 40117, 76587, 95343, 98637, 120351, 222467, 280819, 349591, 667401, 842457, 1048773, 1557269, 2447137, 4671807, 7341411, 17129959, 51389877]

約数ペア:

[(1, 51389877), (3, 17129959), (7, 7341411), (11, 4671807), (21, 2447137), (33, 1557269), (49, 1048773), (61, 842457), (77, 667401), (147, 349591), (183, 280819), (231, 222467), (427, 120351), (521, 98637), (539, 95343), (671, 76587), (1281, 40117), (1563, 32879), (1617, 31781), (2013, 25529), (2989, 17193), (3647, 14091), (4697, 10941), (5731, 8967)]