2161569243

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 2957248000

約数和(自身を除く): 795678757

約数列:

[1, 3, 97, 163, 199, 229, 291, 489, 597, 687, 15811, 19303, 22213, 32437, 37327, 45571, 47433, 57909, 66639, 97311, 111981, 136713, 3146389, 3620719, 4420387, 7428073, 9439167, 10862157, 13261161, 22284219, 720523081, 2161569243]

約数ペア:

[(1, 2161569243), (3, 720523081), (97, 22284219), (163, 13261161), (199, 10862157), (229, 9439167), (291, 7428073), (489, 4420387), (597, 3620719), (687, 3146389), (15811, 136713), (19303, 111981), (22213, 97311), (32437, 66639), (37327, 57909), (45571, 47433)]