9861921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 15444000

約数和(自身を除く): 5582079

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 1499, 2193, 4497, 6579, 13491, 25483, 64457, 76449, 193371, 229347, 580113, 1095769, 3287307, 9861921]

約数ペア:

[(1, 9861921), (3, 3287307), (9, 1095769), (17, 580113), (43, 229347), (51, 193371), (129, 76449), (153, 64457), (387, 25483), (731, 13491), (1499, 6579), (2193, 4497)]