17405997

素因数分解:

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

素因数の和:305

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 10011603

約数列:

[1, 3, 7, 21, 67, 89, 139, 201, 267, 417, 469, 623, 973, 1407, 1869, 2919, 5963, 9313, 12371, 17889, 27939, 37113, 41741, 65191, 86597, 125223, 195573, 259791, 828857, 2486571, 5801999, 17405997]

約数ペア:

[(1, 17405997), (3, 5801999), (7, 2486571), (21, 828857), (67, 259791), (89, 195573), (139, 125223), (201, 86597), (267, 65191), (417, 41741), (469, 37113), (623, 27939), (973, 17889), (1407, 12371), (1869, 9313), (2919, 5963)]