64521723

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 103680000

約数和(自身を除く): 39158277

約数列:

[1, 3, 7, 21, 29, 53, 87, 159, 203, 371, 609, 1113, 1537, 1999, 4611, 5997, 10759, 13993, 32277, 41979, 57971, 105947, 173913, 317841, 405797, 741629, 1217391, 2224887, 3072463, 9217389, 21507241, 64521723]

約数ペア:

[(1, 64521723), (3, 21507241), (7, 9217389), (21, 3072463), (29, 2224887), (53, 1217391), (87, 741629), (159, 405797), (203, 317841), (371, 173913), (609, 105947), (1113, 57971), (1537, 41979), (1999, 32277), (4611, 13993), (5997, 10759)]