221430167

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 270864000

約数和(自身を除く): 49433833

約数列:

[1, 7, 29, 49, 113, 197, 203, 343, 791, 1379, 1421, 3277, 5537, 5713, 9653, 9947, 22261, 22939, 38759, 39991, 67571, 155827, 160573, 279937, 645569, 1090789, 1124011, 1959559, 4518983, 7635523, 31632881, 221430167]

約数ペア:

[(1, 221430167), (7, 31632881), (29, 7635523), (49, 4518983), (113, 1959559), (197, 1124011), (203, 1090789), (343, 645569), (791, 279937), (1379, 160573), (1421, 155827), (3277, 67571), (5537, 39991), (5713, 38759), (9653, 22939), (9947, 22261)]