2786385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 5515776

約数和(自身を除く): 2729391

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 223, 245, 255, 357, 595, 669, 735, 833, 1115, 1561, 1785, 2499, 3345, 3791, 4165, 4683, 7805, 10927, 11373, 12495, 18955, 23415, 26537, 32781, 54635, 56865, 79611, 132685, 163905, 185759, 398055, 557277, 928795, 2786385]

約数ペア:

[(1, 2786385), (3, 928795), (5, 557277), (7, 398055), (15, 185759), (17, 163905), (21, 132685), (35, 79611), (49, 56865), (51, 54635), (85, 32781), (105, 26537), (119, 23415), (147, 18955), (223, 12495), (245, 11373), (255, 10927), (357, 7805), (595, 4683), (669, 4165), (735, 3791), (833, 3345), (1115, 2499), (1561, 1785)]