2782917

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 4599936

約数和(自身を除く): 1817019

約数列:

[1, 3, 9, 17, 27, 43, 47, 51, 81, 129, 141, 153, 387, 423, 459, 731, 799, 1161, 1269, 1377, 2021, 2193, 2397, 3483, 3807, 6063, 6579, 7191, 18189, 19737, 21573, 34357, 54567, 59211, 64719, 103071, 163701, 309213, 927639, 2782917]

約数ペア:

[(1, 2782917), (3, 927639), (9, 309213), (17, 163701), (27, 103071), (43, 64719), (47, 59211), (51, 54567), (81, 34357), (129, 21573), (141, 19737), (153, 18189), (387, 7191), (423, 6579), (459, 6063), (731, 3807), (799, 3483), (1161, 2397), (1269, 2193), (1377, 2021)]