16631973

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 26658720

約数和(自身を除く): 10026747

約数列:

[1, 3, 9, 19, 27, 57, 81, 101, 107, 171, 303, 321, 513, 909, 963, 1539, 1919, 2033, 2727, 2889, 5757, 6099, 8181, 8667, 10807, 17271, 18297, 32421, 51813, 54891, 97263, 155439, 164673, 205333, 291789, 615999, 875367, 1847997, 5543991, 16631973]

約数ペア:

[(1, 16631973), (3, 5543991), (9, 1847997), (19, 875367), (27, 615999), (57, 291789), (81, 205333), (101, 164673), (107, 155439), (171, 97263), (303, 54891), (321, 51813), (513, 32421), (909, 18297), (963, 17271), (1539, 10807), (1919, 8667), (2033, 8181), (2727, 6099), (2889, 5757)]