2186919

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 60

約数和(自身を含む): 4138200

約数和(自身を除く): 1951281

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 49, 57, 63, 81, 87, 133, 147, 171, 189, 203, 261, 399, 441, 513, 551, 567, 609, 783, 931, 1197, 1323, 1421, 1539, 1653, 1827, 2349, 2793, 3591, 3857, 3969, 4263, 4959, 5481, 8379, 10773, 11571, 12789, 14877, 16443, 25137, 26999, 34713, 38367, 44631, 75411, 80997, 104139, 115101, 242991, 312417, 728973, 2186919]

約数ペア:

[(1, 2186919), (3, 728973), (7, 312417), (9, 242991), (19, 115101), (21, 104139), (27, 80997), (29, 75411), (49, 44631), (57, 38367), (63, 34713), (81, 26999), (87, 25137), (133, 16443), (147, 14877), (171, 12789), (189, 11571), (203, 10773), (261, 8379), (399, 5481), (441, 4959), (513, 4263), (551, 3969), (567, 3857), (609, 3591), (783, 2793), (931, 2349), (1197, 1827), (1323, 1653), (1421, 1539)]