1031205

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 2035584

約数和(自身を除く): 1004379

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 61, 69, 105, 115, 147, 161, 183, 245, 305, 345, 427, 483, 735, 805, 915, 1127, 1281, 1403, 2135, 2415, 2989, 3381, 4209, 5635, 6405, 7015, 8967, 9821, 14945, 16905, 21045, 29463, 44835, 49105, 68747, 147315, 206241, 343735, 1031205]

約数ペア:

[(1, 1031205), (3, 343735), (5, 206241), (7, 147315), (15, 68747), (21, 49105), (23, 44835), (35, 29463), (49, 21045), (61, 16905), (69, 14945), (105, 9821), (115, 8967), (147, 7015), (161, 6405), (183, 5635), (245, 4209), (305, 3381), (345, 2989), (427, 2415), (483, 2135), (735, 1403), (805, 1281), (915, 1127)]