28559895

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 58350432

約数和(自身を除く): 29790537

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, 2401, 2989, 3185, 3965, 4459, 5145, 5551, 6405, 7203, 8967, 9555, 11895, 12005, 13377, 14945, 16653, 20923, 22295, 27755, 31213, 36015, 38857, 44835, 62769, 66885, 83265, 93639, 104615, 116571, 146461, 156065, 194285, 271999, 313845, 439383, 468195, 582855, 732305, 815997, 1359995, 1903993, 2196915, 4079985, 5711979, 9519965, 28559895]

約数ペア:

[(1, 28559895), (3, 9519965), (5, 5711979), (7, 4079985), (13, 2196915), (15, 1903993), (21, 1359995), (35, 815997), (39, 732305), (49, 582855), (61, 468195), (65, 439383), (91, 313845), (105, 271999), (147, 194285), (183, 156065), (195, 146461), (245, 116571), (273, 104615), (305, 93639), (343, 83265), (427, 66885), (455, 62769), (637, 44835), (735, 38857), (793, 36015), (915, 31213), (1029, 27755), (1281, 22295), (1365, 20923), (1715, 16653), (1911, 14945), (2135, 13377), (2379, 12005), (2401, 11895), (2989, 9555), (3185, 8967), (3965, 7203), (4459, 6405), (5145, 5551)]