28105263

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{419}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 42260400

約数和(自身を除く): 14155137

約数列:

[1, 3, 9, 29, 87, 257, 261, 419, 771, 1257, 2313, 3771, 7453, 12151, 22359, 36453, 67077, 107683, 109359, 323049, 969147, 3122807, 9368421, 28105263]

約数ペア:

[(1, 28105263), (3, 9368421), (9, 3122807), (29, 969147), (87, 323049), (257, 109359), (261, 107683), (419, 67077), (771, 36453), (1257, 22359), (2313, 12151), (3771, 7453)]