647364729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 957381120

約数和(自身を除く): 310016391

約数列:

[1, 3, 11, 33, 89, 227, 267, 681, 971, 979, 2497, 2913, 2937, 7491, 10681, 20203, 32043, 60609, 86419, 220417, 222233, 259257, 661251, 666699, 950609, 2424587, 2851827, 7273761, 19617113, 58851339, 215788243, 647364729]

約数ペア:

[(1, 647364729), (3, 215788243), (11, 58851339), (33, 19617113), (89, 7273761), (227, 2851827), (267, 2424587), (681, 950609), (971, 666699), (979, 661251), (2497, 259257), (2913, 222233), (2937, 220417), (7491, 86419), (10681, 60609), (20203, 32043)]