27909861

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{6547}}^1$

素因数の和:6593

約数の個数: 24

約数和(自身を含む): 44788320

約数和(自身を除く): 16878459

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 6547, 19641, 45829, 137487, 189863, 320803, 569589, 962409, 1329041, 3987123, 9303287, 27909861]

約数ペア:

[(1, 27909861), (3, 9303287), (7, 3987123), (21, 1329041), (29, 962409), (49, 569589), (87, 320803), (147, 189863), (203, 137487), (609, 45829), (1421, 19641), (4263, 6547)]