389699709

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{33679}}^1$

素因数の和:33737

約数の個数: 32

約数和(自身を含む): 646656000

約数和(自身を除く): 256956291

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 11571, 33679, 101037, 235753, 639901, 707259, 976691, 1919703, 2930073, 4479307, 6836837, 13437921, 18557129, 20510511, 55671387, 129899903, 389699709]

約数ペア:

[(1, 389699709), (3, 129899903), (7, 55671387), (19, 20510511), (21, 18557129), (29, 13437921), (57, 6836837), (87, 4479307), (133, 2930073), (203, 1919703), (399, 976691), (551, 707259), (609, 639901), (1653, 235753), (3857, 101037), (11571, 33679)]