247484811

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{13109}}^1$

素因数の和:13179

約数の個数: 32

約数和(自身を含む): 402739200

約数和(自身を除く): 155254389

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 2697, 6293, 13109, 18879, 39327, 91763, 275289, 380161, 406379, 1140483, 1219137, 2661127, 2844653, 7983381, 8533959, 11784991, 35354973, 82494937, 247484811]

約数ペア:

[(1, 247484811), (3, 82494937), (7, 35354973), (21, 11784991), (29, 8533959), (31, 7983381), (87, 2844653), (93, 2661127), (203, 1219137), (217, 1140483), (609, 406379), (651, 380161), (899, 275289), (2697, 91763), (6293, 39327), (13109, 18879)]