20180176137

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1\times {\mathrm{691}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 33459307200

約数和(自身を除く): 13279131063

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 219, 297, 449, 657, 691, 803, 891, 1347, 1971, 2073, 2409, 4041, 4939, 5913, 6219, 7227, 7601, 12123, 14817, 18657, 21681, 22803, 32777, 36369, 44451, 50443, 55971, 65043, 68409, 98331, 133353, 151329, 205227, 294993, 310259, 360547, 400059, 453987, 554873, 615681, 884979, 930777, 1081641, 1361961, 1664619, 2654937, 2792331, 3244923, 3412849, 4085883, 4993857, 8376993, 9734769, 10238547, 14981571, 22648907, 25130979, 29204307, 30715641, 44944713, 67946721, 92146923, 203840163, 249137977, 276440769, 611520489, 747413931, 1834561467, 2242241793, 6726725379, 20180176137]

約数ペア:

[(1, 20180176137), (3, 6726725379), (9, 2242241793), (11, 1834561467), (27, 747413931), (33, 611520489), (73, 276440769), (81, 249137977), (99, 203840163), (219, 92146923), (297, 67946721), (449, 44944713), (657, 30715641), (691, 29204307), (803, 25130979), (891, 22648907), (1347, 14981571), (1971, 10238547), (2073, 9734769), (2409, 8376993), (4041, 4993857), (4939, 4085883), (5913, 3412849), (6219, 3244923), (7227, 2792331), (7601, 2654937), (12123, 1664619), (14817, 1361961), (18657, 1081641), (21681, 930777), (22803, 884979), (32777, 615681), (36369, 554873), (44451, 453987), (50443, 400059), (55971, 360547), (65043, 310259), (68409, 294993), (98331, 205227), (133353, 151329)]