207451881

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3671}}^1$

素因数の和:3723

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 187361559

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 91, 117, 161, 189, 207, 273, 299, 351, 483, 621, 819, 897, 1449, 2093, 2457, 2691, 3671, 4347, 6279, 8073, 11013, 18837, 25697, 33039, 47723, 56511, 77091, 84433, 99117, 143169, 231273, 253299, 334061, 429507, 591031, 693819, 759897, 1002183, 1097629, 1288521, 1773093, 2279691, 3006549, 3292887, 5319279, 7683403, 9019647, 9878661, 15957837, 23050209, 29635983, 69150627, 207451881]

約数ペア:

[(1, 207451881), (3, 69150627), (7, 29635983), (9, 23050209), (13, 15957837), (21, 9878661), (23, 9019647), (27, 7683403), (39, 5319279), (63, 3292887), (69, 3006549), (91, 2279691), (117, 1773093), (161, 1288521), (189, 1097629), (207, 1002183), (273, 759897), (299, 693819), (351, 591031), (483, 429507), (621, 334061), (819, 253299), (897, 231273), (1449, 143169), (2093, 99117), (2457, 84433), (2691, 77091), (3671, 56511), (4347, 47723), (6279, 33039), (8073, 25697), (11013, 18837)]