28621683

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 44776368

約数和(自身を除く): 16154685

約数列:

[1, 3, 9, 23, 37, 69, 101, 111, 207, 303, 333, 851, 909, 1369, 2323, 2553, 3737, 4107, 6969, 7659, 11211, 12321, 20907, 31487, 33633, 85951, 94461, 138269, 257853, 283383, 414807, 773559, 1244421, 3180187, 9540561, 28621683]

約数ペア:

[(1, 28621683), (3, 9540561), (9, 3180187), (23, 1244421), (37, 773559), (69, 414807), (101, 283383), (111, 257853), (207, 138269), (303, 94461), (333, 85951), (851, 33633), (909, 31487), (1369, 20907), (2323, 12321), (2553, 11211), (3737, 7659), (4107, 6969)]