645381

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 32

約数和(自身を含む): 1088640

約数和(自身を除く): 443259

約数列:

[1, 3, 9, 11, 27, 33, 41, 53, 99, 123, 159, 297, 369, 451, 477, 583, 1107, 1353, 1431, 1749, 2173, 4059, 5247, 6519, 12177, 15741, 19557, 23903, 58671, 71709, 215127, 645381]

約数ペア:

[(1, 645381), (3, 215127), (9, 71709), (11, 58671), (27, 23903), (33, 19557), (41, 15741), (53, 12177), (99, 6519), (123, 5247), (159, 4059), (297, 2173), (369, 1749), (451, 1431), (477, 1353), (583, 1107)]