4079985

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 8332800

約数和(自身を除く): 4252815

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 61, 65, 91, 105, 147, 183, 195, 245, 273, 305, 343, 427, 455, 637, 735, 793, 915, 1029, 1281, 1365, 1715, 1911, 2135, 2379, 2989, 3185, 3965, 4459, 5145, 5551, 6405, 8967, 9555, 11895, 13377, 14945, 16653, 20923, 22295, 27755, 38857, 44835, 62769, 66885, 83265, 104615, 116571, 194285, 271999, 313845, 582855, 815997, 1359995, 4079985]

約数ペア:

[(1, 4079985), (3, 1359995), (5, 815997), (7, 582855), (13, 313845), (15, 271999), (21, 194285), (35, 116571), (39, 104615), (49, 83265), (61, 66885), (65, 62769), (91, 44835), (105, 38857), (147, 27755), (183, 22295), (195, 20923), (245, 16653), (273, 14945), (305, 13377), (343, 11895), (427, 9555), (455, 8967), (637, 6405), (735, 5551), (793, 5145), (915, 4459), (1029, 3965), (1281, 3185), (1365, 2989), (1715, 2379), (1911, 2135)]