28690119

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 45006192

約数和(自身を除く): 16316073

約数列:

[1, 3, 9, 27, 41, 53, 81, 123, 159, 163, 369, 477, 489, 1107, 1431, 1467, 2173, 3321, 4293, 4401, 6519, 6683, 8639, 13203, 19557, 20049, 25917, 58671, 60147, 77751, 176013, 180441, 233253, 354199, 541323, 699759, 1062597, 3187791, 9563373, 28690119]

約数ペア:

[(1, 28690119), (3, 9563373), (9, 3187791), (27, 1062597), (41, 699759), (53, 541323), (81, 354199), (123, 233253), (159, 180441), (163, 176013), (369, 77751), (477, 60147), (489, 58671), (1107, 25917), (1431, 20049), (1467, 19557), (2173, 13203), (3321, 8639), (4293, 6683), (4401, 6519)]