81903627

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 133660800

約数和(自身を除く): 51757173

約数列:

[1, 3, 9, 13, 29, 39, 87, 101, 117, 239, 261, 303, 377, 717, 909, 1131, 1313, 2151, 2929, 3107, 3393, 3939, 6931, 8787, 9321, 11817, 20793, 24139, 26361, 27963, 38077, 62379, 72417, 90103, 114231, 217251, 270309, 313807, 342693, 700031, 810927, 941421, 2100093, 2824263, 6300279, 9100403, 27301209, 81903627]

約数ペア:

[(1, 81903627), (3, 27301209), (9, 9100403), (13, 6300279), (29, 2824263), (39, 2100093), (87, 941421), (101, 810927), (117, 700031), (239, 342693), (261, 313807), (303, 270309), (377, 217251), (717, 114231), (909, 90103), (1131, 72417), (1313, 62379), (2151, 38077), (2929, 27963), (3107, 26361), (3393, 24139), (3939, 20793), (6931, 11817), (8787, 9321)]