219872961

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3917}}^1$

素因数の和:3953

約数の個数: 56

約数和(自身を含む): 411107904

約数和(自身を除く): 191234943

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 729, 891, 1701, 2079, 2673, 3917, 5103, 6237, 8019, 11751, 18711, 27419, 35253, 43087, 56133, 82257, 105759, 129261, 246771, 301609, 317277, 387783, 740313, 904827, 951831, 1163349, 2220939, 2714481, 2855493, 3490047, 6662817, 8143443, 10470141, 19988451, 24430329, 31410423, 73290987, 219872961]

約数ペア:

[(1, 219872961), (3, 73290987), (7, 31410423), (9, 24430329), (11, 19988451), (21, 10470141), (27, 8143443), (33, 6662817), (63, 3490047), (77, 2855493), (81, 2714481), (99, 2220939), (189, 1163349), (231, 951831), (243, 904827), (297, 740313), (567, 387783), (693, 317277), (729, 301609), (891, 246771), (1701, 129261), (2079, 105759), (2673, 82257), (3917, 56133), (5103, 43087), (6237, 35253), (8019, 27419), (11751, 18711)]