243843985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20431}}^1$

素因数の和:20485

約数の個数: 32

約数和(自身を含む): 376602624

約数和(自身を除く): 132758639

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 11935, 20431, 102155, 143017, 224741, 633361, 715085, 1123705, 1573187, 3166805, 4433527, 6966971, 7865935, 22167635, 34834855, 48768797, 243843985]

約数ペア:

[(1, 243843985), (5, 48768797), (7, 34834855), (11, 22167635), (31, 7865935), (35, 6966971), (55, 4433527), (77, 3166805), (155, 1573187), (217, 1123705), (341, 715085), (385, 633361), (1085, 224741), (1705, 143017), (2387, 102155), (11935, 20431)]