28047051

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 43651608

約数和(自身を除く): 15604557

約数列:

[1, 3, 9, 23, 43, 69, 129, 137, 207, 387, 411, 529, 989, 1233, 1587, 2967, 3151, 4761, 5891, 8901, 9453, 17673, 22747, 28359, 53019, 68241, 72473, 135493, 204723, 217419, 406479, 652257, 1219437, 3116339, 9349017, 28047051]

約数ペア:

[(1, 28047051), (3, 9349017), (9, 3116339), (23, 1219437), (43, 652257), (69, 406479), (129, 217419), (137, 204723), (207, 135493), (387, 72473), (411, 68241), (529, 53019), (989, 28359), (1233, 22747), (1587, 17673), (2967, 9453), (3151, 8901), (4761, 5891)]