28778523

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{3851}}^1$

素因数の和:3954

約数の個数: 16

約数和(自身を含む): 39937536

約数和(自身を除く): 11159013

約数列:

[1, 3, 47, 53, 141, 159, 2491, 3851, 7473, 11553, 180997, 204103, 542991, 612309, 9592841, 28778523]

約数ペア:

[(1, 28778523), (3, 9592841), (47, 612309), (53, 542991), (141, 204103), (159, 180997), (2491, 11553), (3851, 7473)]