27831909

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 45803520

約数和(自身を除く): 17971611

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1987, 2001, 4669, 5961, 13909, 14007, 41727, 45701, 57623, 137103, 172869, 319907, 403361, 959721, 1210083, 1325329, 3975987, 9277303, 27831909]

約数ペア:

[(1, 27831909), (3, 9277303), (7, 3975987), (21, 1325329), (23, 1210083), (29, 959721), (69, 403361), (87, 319907), (161, 172869), (203, 137103), (483, 57623), (609, 45701), (667, 41727), (1987, 14007), (2001, 13909), (4669, 5961)]