128571138

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{41771}}^1$

素因数の和:41804

約数の個数: 40

約数和(自身を含む): 303264720

約数和(自身を除く): 174693582

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 41771, 83542, 125313, 250626, 375939, 751878, 793649, 1127817, 1587298, 2255634, 2380947, 3383451, 4761894, 6766902, 7142841, 14285682, 21428523, 42857046, 64285569, 128571138]

約数ペア:

[(1, 128571138), (2, 64285569), (3, 42857046), (6, 21428523), (9, 14285682), (18, 7142841), (19, 6766902), (27, 4761894), (38, 3383451), (54, 2380947), (57, 2255634), (81, 1587298), (114, 1127817), (162, 793649), (171, 751878), (342, 375939), (513, 250626), (1026, 125313), (1539, 83542), (3078, 41771)]