38981313

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2446

約数の個数: 36

約数和(自身を含む): 67297620

約数和(自身を除く): 28316307

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1813, 2331, 2389, 5439, 7167, 16317, 16723, 21501, 50169, 88393, 117061, 150507, 265179, 351183, 618751, 795537, 1053549, 1856253, 4331257, 5568759, 12993771, 38981313]

約数ペア:

[(1, 38981313), (3, 12993771), (7, 5568759), (9, 4331257), (21, 1856253), (37, 1053549), (49, 795537), (63, 618751), (111, 351183), (147, 265179), (259, 150507), (333, 117061), (441, 88393), (777, 50169), (1813, 21501), (2331, 16723), (2389, 16317), (5439, 7167)]