218910537

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 338038272

約数和(自身を除く): 119127735

約数列:

[1, 3, 9, 37, 47, 71, 111, 141, 197, 213, 333, 423, 591, 639, 1739, 1773, 2627, 3337, 5217, 7289, 7881, 9259, 10011, 13987, 15651, 21867, 23643, 27777, 30033, 41961, 65601, 83331, 123469, 125883, 342583, 370407, 517519, 657389, 1027749, 1111221, 1552557, 1972167, 3083247, 4657671, 5916501, 24323393, 72970179, 218910537]

約数ペア:

[(1, 218910537), (3, 72970179), (9, 24323393), (37, 5916501), (47, 4657671), (71, 3083247), (111, 1972167), (141, 1552557), (197, 1111221), (213, 1027749), (333, 657389), (423, 517519), (591, 370407), (639, 342583), (1739, 125883), (1773, 123469), (2627, 83331), (3337, 65601), (5217, 41961), (7289, 30033), (7881, 27777), (9259, 23643), (10011, 21867), (13987, 15651)]