38969721

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 30703239

約数列:

[1, 3, 7, 9, 21, 27, 41, 47, 63, 107, 123, 141, 189, 287, 321, 329, 369, 423, 749, 861, 963, 987, 1107, 1269, 1927, 2247, 2583, 2889, 2961, 4387, 5029, 5781, 6741, 7749, 8883, 13161, 13489, 15087, 17343, 20223, 30709, 35203, 39483, 40467, 45261, 52029, 92127, 105609, 118449, 121401, 135783, 206189, 276381, 316827, 364203, 618567, 829143, 950481, 1443323, 1855701, 4329969, 5567103, 12989907, 38969721]

約数ペア:

[(1, 38969721), (3, 12989907), (7, 5567103), (9, 4329969), (21, 1855701), (27, 1443323), (41, 950481), (47, 829143), (63, 618567), (107, 364203), (123, 316827), (141, 276381), (189, 206189), (287, 135783), (321, 121401), (329, 118449), (369, 105609), (423, 92127), (749, 52029), (861, 45261), (963, 40467), (987, 39483), (1107, 35203), (1269, 30709), (1927, 20223), (2247, 17343), (2583, 15087), (2889, 13489), (2961, 13161), (4387, 8883), (5029, 7749), (5781, 6741)]