203776209

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 374330880

約数和(自身を除く): 170554671

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 197, 273, 351, 421, 591, 819, 1263, 1379, 1773, 2457, 2561, 2947, 3789, 4137, 5319, 5473, 7683, 8841, 11367, 12411, 16419, 17927, 23049, 26523, 37233, 38311, 49257, 53781, 69147, 79569, 82937, 114933, 147771, 161343, 248811, 344799, 484029, 580559, 746433, 1034397, 1078181, 1741677, 2239299, 3234543, 5225031, 7547267, 9703629, 15675093, 22641801, 29110887, 67925403, 203776209]

約数ペア:

[(1, 203776209), (3, 67925403), (7, 29110887), (9, 22641801), (13, 15675093), (21, 9703629), (27, 7547267), (39, 5225031), (63, 3234543), (91, 2239299), (117, 1741677), (189, 1078181), (197, 1034397), (273, 746433), (351, 580559), (421, 484029), (591, 344799), (819, 248811), (1263, 161343), (1379, 147771), (1773, 114933), (2457, 82937), (2561, 79569), (2947, 69147), (3789, 53781), (4137, 49257), (5319, 38311), (5473, 37233), (7683, 26523), (8841, 23049), (11367, 17927), (12411, 16419)]