1261239

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 2112000

約数和(自身を除く): 850761

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 109, 133, 203, 327, 399, 551, 609, 763, 1653, 2071, 2289, 3161, 3857, 6213, 9483, 11571, 14497, 22127, 43491, 60059, 66381, 180177, 420413, 1261239]

約数ペア:

[(1, 1261239), (3, 420413), (7, 180177), (19, 66381), (21, 60059), (29, 43491), (57, 22127), (87, 14497), (109, 11571), (133, 9483), (203, 6213), (327, 3857), (399, 3161), (551, 2289), (609, 2071), (763, 1653)]