28108431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 45501120

約数和(自身を除く): 17392689

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1097, 1971, 2847, 3291, 8541, 9873, 14261, 25623, 29619, 42783, 80081, 128349, 240243, 385047, 720729, 1041053, 2162187, 3123159, 9369477, 28108431]

約数ペア:

[(1, 28108431), (3, 9369477), (9, 3123159), (13, 2162187), (27, 1041053), (39, 720729), (73, 385047), (117, 240243), (219, 128349), (351, 80081), (657, 42783), (949, 29619), (1097, 25623), (1971, 14261), (2847, 9873), (3291, 8541)]