121841979

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 195350400

約数和(自身を除く): 73508421

約数列:

[1, 3, 7, 21, 49, 67, 89, 139, 147, 201, 267, 417, 469, 623, 973, 1407, 1869, 2919, 3283, 4361, 5963, 6811, 9313, 9849, 12371, 13083, 17889, 20433, 27939, 37113, 41741, 65191, 86597, 125223, 195573, 259791, 292187, 456337, 606179, 828857, 876561, 1369011, 1818537, 2486571, 5801999, 17405997, 40613993, 121841979]

約数ペア:

[(1, 121841979), (3, 40613993), (7, 17405997), (21, 5801999), (49, 2486571), (67, 1818537), (89, 1369011), (139, 876561), (147, 828857), (201, 606179), (267, 456337), (417, 292187), (469, 259791), (623, 195573), (973, 125223), (1407, 86597), (1869, 65191), (2919, 41741), (3283, 37113), (4361, 27939), (5963, 20433), (6811, 17889), (9313, 13083), (9849, 12371)]