81310677

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 131745024

約数和(自身を除く): 50434347

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 421, 541, 1263, 1623, 2947, 3787, 7157, 8841, 9197, 11361, 21471, 27591, 50099, 64379, 150297, 193137, 227761, 683283, 1594327, 3871937, 4782981, 11615811, 27103559, 81310677]

約数ペア:

[(1, 81310677), (3, 27103559), (7, 11615811), (17, 4782981), (21, 3871937), (51, 1594327), (119, 683283), (357, 227761), (421, 193137), (541, 150297), (1263, 64379), (1623, 50099), (2947, 27591), (3787, 21471), (7157, 11361), (8841, 9197)]