219549267

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 157845933

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 329, 371, 423, 477, 987, 1113, 1399, 2491, 2961, 3339, 4197, 7473, 9793, 12591, 17437, 22419, 29379, 52311, 65753, 74147, 88137, 156933, 197259, 222441, 460271, 519029, 591777, 667323, 1380813, 1557087, 3484909, 4142439, 4671261, 10454727, 24394363, 31364181, 73183089, 219549267]

約数ペア:

[(1, 219549267), (3, 73183089), (7, 31364181), (9, 24394363), (21, 10454727), (47, 4671261), (53, 4142439), (63, 3484909), (141, 1557087), (159, 1380813), (329, 667323), (371, 591777), (423, 519029), (477, 460271), (987, 222441), (1113, 197259), (1399, 156933), (2491, 88137), (2961, 74147), (3339, 65753), (4197, 52311), (7473, 29379), (9793, 22419), (12591, 17437)]