1242541917

素因数分解:

$3^3\times {\mathrm{17}}^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 2129784000

約数和(自身を除く): 887242083

約数列:

[1, 3, 9, 17, 19, 27, 29, 51, 57, 87, 153, 171, 261, 289, 323, 459, 493, 513, 551, 783, 867, 969, 1479, 1653, 2601, 2907, 4437, 4913, 4959, 5491, 7803, 8381, 8721, 9367, 13311, 14739, 14877, 16473, 25143, 28101, 44217, 49419, 75429, 83521, 84303, 93347, 132651, 142477, 148257, 159239, 226287, 250563, 252909, 280041, 427431, 477717, 751689, 840123, 1282293, 1433151, 1586899, 2255067, 2422109, 2520369, 2707063, 3846879, 4299453, 4760697, 7266327, 8121189, 14282091, 21798981, 24363567, 42846273, 46020071, 65396943, 73090701, 138060213, 414180639, 1242541917]

約数ペア:

[(1, 1242541917), (3, 414180639), (9, 138060213), (17, 73090701), (19, 65396943), (27, 46020071), (29, 42846273), (51, 24363567), (57, 21798981), (87, 14282091), (153, 8121189), (171, 7266327), (261, 4760697), (289, 4299453), (323, 3846879), (459, 2707063), (493, 2520369), (513, 2422109), (551, 2255067), (783, 1586899), (867, 1433151), (969, 1282293), (1479, 840123), (1653, 751689), (2601, 477717), (2907, 427431), (4437, 280041), (4913, 252909), (4959, 250563), (5491, 226287), (7803, 159239), (8381, 148257), (8721, 142477), (9367, 132651), (13311, 93347), (14739, 84303), (14877, 83521), (16473, 75429), (25143, 49419), (28101, 44217)]