28861173

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{727}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 45654336

約数和(自身を除く): 16793163

約数列:

[1, 3, 9, 11, 33, 99, 401, 727, 1203, 2181, 3609, 4411, 6543, 7997, 13233, 23991, 39699, 71973, 291527, 874581, 2623743, 3206797, 9620391, 28861173]

約数ペア:

[(1, 28861173), (3, 9620391), (9, 3206797), (11, 2623743), (33, 874581), (99, 291527), (401, 71973), (727, 39699), (1203, 23991), (2181, 13233), (3609, 7997), (4411, 6543)]