28872291

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^3\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 46402560

約数和(自身を除く): 17530269

約数列:

[1, 3, 7, 21, 23, 69, 113, 161, 339, 483, 529, 791, 1587, 2373, 2599, 3703, 7797, 11109, 12167, 18193, 36501, 54579, 59777, 85169, 179331, 255507, 418439, 1255317, 1374871, 4124613, 9624097, 28872291]

約数ペア:

[(1, 28872291), (3, 9624097), (7, 4124613), (21, 1374871), (23, 1255317), (69, 418439), (113, 255507), (161, 179331), (339, 85169), (483, 59777), (529, 54579), (791, 36501), (1587, 18193), (2373, 12167), (2599, 11109), (3703, 7797)]