12974013

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:105

約数の個数: 42

約数和(自身を含む): 21529914

約数和(自身を除く): 8555901

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 243, 333, 351, 481, 729, 999, 1053, 1369, 1443, 2997, 3159, 4107, 4329, 8991, 9477, 12321, 12987, 17797, 26973, 36963, 38961, 53391, 110889, 116883, 160173, 332667, 350649, 480519, 998001, 1441557, 4324671, 12974013]

約数ペア:

[(1, 12974013), (3, 4324671), (9, 1441557), (13, 998001), (27, 480519), (37, 350649), (39, 332667), (81, 160173), (111, 116883), (117, 110889), (243, 53391), (333, 38961), (351, 36963), (481, 26973), (729, 17797), (999, 12987), (1053, 12321), (1369, 9477), (1443, 8991), (2997, 4329), (3159, 4107)]