28754217

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 15568983

約数列:

[1, 3, 9, 27, 37, 107, 111, 269, 321, 333, 807, 963, 999, 2421, 2889, 3959, 7263, 9953, 11877, 28783, 29859, 35631, 86349, 89577, 106893, 259047, 268731, 777141, 1064971, 3194913, 9584739, 28754217]

約数ペア:

[(1, 28754217), (3, 9584739), (9, 3194913), (27, 1064971), (37, 777141), (107, 268731), (111, 259047), (269, 106893), (321, 89577), (333, 86349), (807, 35631), (963, 29859), (999, 28783), (2421, 11877), (2889, 9953), (3959, 7263)]