856875369

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1\times {\mathrm{787}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 1320309760

約数和(自身を除く): 463434391

約数列:

[1, 3, 7, 21, 139, 373, 417, 787, 973, 1119, 2361, 2611, 2919, 5509, 7833, 16527, 51847, 109393, 155541, 293551, 328179, 362929, 765751, 880653, 1088787, 2054857, 2297253, 6164571, 40803589, 122410767, 285625123, 856875369]

約数ペア:

[(1, 856875369), (3, 285625123), (7, 122410767), (21, 40803589), (139, 6164571), (373, 2297253), (417, 2054857), (787, 1088787), (973, 880653), (1119, 765751), (2361, 362929), (2611, 328179), (2919, 293551), (5509, 155541), (7833, 109393), (16527, 51847)]