212712087

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{76159}}^1$

素因数の和:76195

約数の個数: 24

約数和(自身を含む): 347289600

約数和(自身を除く): 134577513

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 76159, 228477, 533113, 1447021, 1599339, 3731791, 4341063, 10129147, 11195373, 30387441, 70904029, 212712087]

約数ペア:

[(1, 212712087), (3, 70904029), (7, 30387441), (19, 11195373), (21, 10129147), (49, 4341063), (57, 3731791), (133, 1599339), (147, 1447021), (399, 533113), (931, 228477), (2793, 76159)]