620450139

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12301}}^1$

素因数の和:12387

約数の個数: 32

約数和(自身を含む): 935345664

約数和(自身を除く): 314895525

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 391, 731, 989, 1173, 2193, 2967, 12301, 16813, 36903, 50439, 209117, 282923, 528943, 627351, 848769, 1586829, 4809691, 8992031, 12165689, 14429073, 26976093, 36497067, 206816713, 620450139]

約数ペア:

[(1, 620450139), (3, 206816713), (17, 36497067), (23, 26976093), (43, 14429073), (51, 12165689), (69, 8992031), (129, 4809691), (391, 1586829), (731, 848769), (989, 627351), (1173, 528943), (2193, 282923), (2967, 209117), (12301, 50439), (16813, 36903)]