28181529

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3919}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 15847911

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 3919, 7191, 11757, 35271, 66623, 184193, 199869, 552579, 599607, 1657737, 3131281, 9393843, 28181529]

約数ペア:

[(1, 28181529), (3, 9393843), (9, 3131281), (17, 1657737), (47, 599607), (51, 552579), (141, 199869), (153, 184193), (423, 66623), (799, 35271), (2397, 11757), (3919, 7191)]