207980577

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 356848128

約数和(自身を除く): 148867551

約数列:

[1, 3, 7, 9, 21, 41, 63, 73, 123, 219, 287, 369, 511, 657, 861, 1103, 1533, 2583, 2993, 3309, 4599, 7721, 8979, 9927, 20951, 23163, 26937, 45223, 62853, 69489, 80519, 135669, 188559, 241557, 316561, 407007, 563633, 724671, 949683, 1690899, 2849049, 3301279, 5072697, 9903837, 23108953, 29711511, 69326859, 207980577]

約数ペア:

[(1, 207980577), (3, 69326859), (7, 29711511), (9, 23108953), (21, 9903837), (41, 5072697), (63, 3301279), (73, 2849049), (123, 1690899), (219, 949683), (287, 724671), (369, 563633), (511, 407007), (657, 316561), (861, 241557), (1103, 188559), (1533, 135669), (2583, 80519), (2993, 69489), (3309, 62853), (4599, 45223), (7721, 26937), (8979, 23163), (9927, 20951)]