9821637

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 17252352

約数和(自身を除く): 7430715

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 107, 141, 217, 279, 321, 329, 423, 651, 749, 963, 987, 1457, 1953, 2247, 2961, 3317, 4371, 5029, 6741, 9951, 10199, 13113, 15087, 23219, 29853, 30597, 35203, 45261, 69657, 91791, 105609, 155899, 208971, 316827, 467697, 1091293, 1403091, 3273879, 9821637]

約数ペア:

[(1, 9821637), (3, 3273879), (7, 1403091), (9, 1091293), (21, 467697), (31, 316827), (47, 208971), (63, 155899), (93, 105609), (107, 91791), (141, 69657), (217, 45261), (279, 35203), (321, 30597), (329, 29853), (423, 23219), (651, 15087), (749, 13113), (963, 10199), (987, 9951), (1457, 6741), (1953, 5029), (2247, 4371), (2961, 3317)]