2620965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 4478976

約数和(自身を除く): 1858011

約数列:

[1, 3, 5, 15, 23, 69, 71, 107, 115, 213, 321, 345, 355, 535, 1065, 1605, 1633, 2461, 4899, 7383, 7597, 8165, 12305, 22791, 24495, 36915, 37985, 113955, 174731, 524193, 873655, 2620965]

約数ペア:

[(1, 2620965), (3, 873655), (5, 524193), (15, 174731), (23, 113955), (69, 37985), (71, 36915), (107, 24495), (115, 22791), (213, 12305), (321, 8165), (345, 7597), (355, 7383), (535, 4899), (1065, 2461), (1605, 1633)]