9978021

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 16473600

約数和(自身を除く): 6495579

約数列:

[1, 3, 9, 19, 23, 43, 57, 59, 69, 129, 171, 177, 207, 387, 437, 531, 817, 989, 1121, 1311, 1357, 2451, 2537, 2967, 3363, 3933, 4071, 7353, 7611, 8901, 10089, 12213, 18791, 22833, 25783, 48203, 56373, 58351, 77349, 144609, 169119, 175053, 232047, 433827, 525159, 1108669, 3326007, 9978021]

約数ペア:

[(1, 9978021), (3, 3326007), (9, 1108669), (19, 525159), (23, 433827), (43, 232047), (57, 175053), (59, 169119), (69, 144609), (129, 77349), (171, 58351), (177, 56373), (207, 48203), (387, 25783), (437, 22833), (531, 18791), (817, 12213), (989, 10089), (1121, 8901), (1311, 7611), (1357, 7353), (2451, 4071), (2537, 3933), (2967, 3363)]