647699997

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{6133}}^1$

素因数の和:6297

約数の個数: 32

約数和(自身を含む): 1017556992

約数和(自身を除く): 369856995

約数列:

[1, 3, 7, 21, 47, 107, 141, 321, 329, 749, 987, 2247, 5029, 6133, 15087, 18399, 35203, 42931, 105609, 128793, 288251, 656231, 864753, 1968693, 2017757, 4593617, 6053271, 13780851, 30842857, 92528571, 215899999, 647699997]

約数ペア:

[(1, 647699997), (3, 215899999), (7, 92528571), (21, 30842857), (47, 13780851), (107, 6053271), (141, 4593617), (321, 2017757), (329, 1968693), (749, 864753), (987, 656231), (2247, 288251), (5029, 128793), (6133, 105609), (15087, 42931), (18399, 35203)]