30730007

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 40391568

約数和(自身を除く): 9661561

約数列:

[1, 7, 11, 49, 71, 73, 77, 121, 497, 511, 539, 781, 803, 847, 3479, 3577, 5183, 5467, 5621, 5929, 8591, 8833, 36281, 38269, 39347, 57013, 60137, 61831, 253967, 399091, 420959, 432817, 627143, 2793637, 4390001, 30730007]

約数ペア:

[(1, 30730007), (7, 4390001), (11, 2793637), (49, 627143), (71, 432817), (73, 420959), (77, 399091), (121, 253967), (497, 61831), (511, 60137), (539, 57013), (781, 39347), (803, 38269), (847, 36281), (3479, 8833), (3577, 8591), (5183, 5929), (5467, 5621)]