13429975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 18962328

約数和(自身を除く): 5532353

約数列:

[1, 5, 13, 25, 31, 43, 65, 155, 215, 325, 403, 559, 775, 961, 1075, 1333, 2015, 2795, 4805, 6665, 10075, 12493, 13975, 17329, 24025, 33325, 41323, 62465, 86645, 206615, 312325, 433225, 537199, 1033075, 2685995, 13429975]

約数ペア:

[(1, 13429975), (5, 2685995), (13, 1033075), (25, 537199), (31, 433225), (43, 312325), (65, 206615), (155, 86645), (215, 62465), (325, 41323), (403, 33325), (559, 24025), (775, 17329), (961, 13975), (1075, 12493), (1333, 10075), (2015, 6665), (2795, 4805)]