28534347

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 46332000

約数和(自身を除く): 17797653

約数列:

[1, 3, 9, 17, 29, 51, 59, 87, 109, 153, 177, 261, 327, 493, 531, 981, 1003, 1479, 1711, 1853, 3009, 3161, 4437, 5133, 5559, 6431, 9027, 9483, 15399, 16677, 19293, 28449, 29087, 53737, 57879, 87261, 109327, 161211, 186499, 261783, 327981, 483633, 559497, 983943, 1678491, 3170483, 9511449, 28534347]

約数ペア:

[(1, 28534347), (3, 9511449), (9, 3170483), (17, 1678491), (29, 983943), (51, 559497), (59, 483633), (87, 327981), (109, 261783), (153, 186499), (177, 161211), (261, 109327), (327, 87261), (493, 57879), (531, 53737), (981, 29087), (1003, 28449), (1479, 19293), (1711, 16677), (1853, 15399), (3009, 9483), (3161, 9027), (4437, 6431), (5133, 5559)]