2107245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4071168

約数和(自身を除く): 1963923

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 61, 105, 141, 147, 183, 235, 245, 305, 329, 427, 705, 735, 915, 987, 1281, 1645, 2135, 2303, 2867, 2989, 4935, 6405, 6909, 8601, 8967, 11515, 14335, 14945, 20069, 34545, 43005, 44835, 60207, 100345, 140483, 301035, 421449, 702415, 2107245]

約数ペア:

[(1, 2107245), (3, 702415), (5, 421449), (7, 301035), (15, 140483), (21, 100345), (35, 60207), (47, 44835), (49, 43005), (61, 34545), (105, 20069), (141, 14945), (147, 14335), (183, 11515), (235, 8967), (245, 8601), (305, 6909), (329, 6405), (427, 4935), (705, 2989), (735, 2867), (915, 2303), (987, 2135), (1281, 1645)]