245280231

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2186

約数の個数: 60

約数和(自身を含む): 441132120

約数和(自身を除く): 195851889

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 189, 203, 261, 441, 567, 609, 783, 1323, 1421, 1827, 2131, 2349, 3969, 4263, 5481, 6393, 12789, 14917, 16443, 19179, 38367, 44751, 57537, 61799, 104419, 115101, 134253, 172611, 185397, 313257, 402759, 432593, 556191, 939771, 1208277, 1297779, 1668573, 2819313, 3028151, 3893337, 5005719, 8457939, 9084453, 11680011, 27253359, 35040033, 81760077, 245280231]

約数ペア:

[(1, 245280231), (3, 81760077), (7, 35040033), (9, 27253359), (21, 11680011), (27, 9084453), (29, 8457939), (49, 5005719), (63, 3893337), (81, 3028151), (87, 2819313), (147, 1668573), (189, 1297779), (203, 1208277), (261, 939771), (441, 556191), (567, 432593), (609, 402759), (783, 313257), (1323, 185397), (1421, 172611), (1827, 134253), (2131, 115101), (2349, 104419), (3969, 61799), (4263, 57537), (5481, 44751), (6393, 38367), (12789, 19179), (14917, 16443)]