648333651

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{877}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 1037753856

約数和(自身を除く): 389420205

約数列:

[1, 3, 7, 21, 47, 49, 107, 141, 147, 321, 329, 749, 877, 987, 2247, 2303, 2631, 5029, 5243, 6139, 6909, 15087, 15729, 18417, 35203, 41219, 42973, 93839, 105609, 123657, 128919, 246421, 281517, 288533, 656873, 739263, 865599, 1970619, 2019731, 4410433, 4598111, 6059193, 13231299, 13794333, 30873031, 92619093, 216111217, 648333651]

約数ペア:

[(1, 648333651), (3, 216111217), (7, 92619093), (21, 30873031), (47, 13794333), (49, 13231299), (107, 6059193), (141, 4598111), (147, 4410433), (321, 2019731), (329, 1970619), (749, 865599), (877, 739263), (987, 656873), (2247, 288533), (2303, 281517), (2631, 246421), (5029, 128919), (5243, 123657), (6139, 105609), (6909, 93839), (15087, 42973), (15729, 41219), (18417, 35203)]