201195981

素因数分解:

$3^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 56

約数和(自身を含む): 349410240

約数和(自身を除く): 148214259

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 243, 267, 443, 567, 623, 729, 801, 1329, 1701, 1869, 2403, 3101, 3987, 5103, 5607, 7209, 9303, 11961, 16821, 21627, 27909, 35883, 39427, 50463, 64881, 83727, 107649, 118281, 151389, 251181, 275989, 322947, 354843, 454167, 753543, 827967, 1064529, 2260629, 2483901, 3193587, 7451703, 9580761, 22355109, 28742283, 67065327, 201195981]

約数ペア:

[(1, 201195981), (3, 67065327), (7, 28742283), (9, 22355109), (21, 9580761), (27, 7451703), (63, 3193587), (81, 2483901), (89, 2260629), (189, 1064529), (243, 827967), (267, 753543), (443, 454167), (567, 354843), (623, 322947), (729, 275989), (801, 251181), (1329, 151389), (1701, 118281), (1869, 107649), (2403, 83727), (3101, 64881), (3987, 50463), (5103, 39427), (5607, 35883), (7209, 27909), (9303, 21627), (11961, 16821)]