68071731

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 114912000

約数和(自身を除く): 46840269

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 179, 199, 273, 537, 597, 637, 1253, 1393, 1911, 2327, 2587, 3759, 4179, 6981, 7761, 8771, 9751, 16289, 18109, 26313, 29253, 35621, 48867, 54327, 106863, 114023, 126763, 249347, 342069, 380289, 463073, 748041, 1389219, 1745429, 3241511, 5236287, 9724533, 22690577, 68071731]

約数ペア:

[(1, 68071731), (3, 22690577), (7, 9724533), (13, 5236287), (21, 3241511), (39, 1745429), (49, 1389219), (91, 748041), (147, 463073), (179, 380289), (199, 342069), (273, 249347), (537, 126763), (597, 114023), (637, 106863), (1253, 54327), (1393, 48867), (1911, 35621), (2327, 29253), (2587, 26313), (3759, 18109), (4179, 16289), (6981, 9751), (7761, 8771)]