16491525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 29283840

約数和(自身を除く): 12792315

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 163, 213, 285, 355, 475, 489, 815, 1065, 1349, 1425, 1775, 2445, 3097, 4047, 4075, 5325, 6745, 9291, 11573, 12225, 15485, 20235, 33725, 34719, 46455, 57865, 77425, 101175, 173595, 219887, 232275, 289325, 659661, 867975, 1099435, 3298305, 5497175, 16491525]

約数ペア:

[(1, 16491525), (3, 5497175), (5, 3298305), (15, 1099435), (19, 867975), (25, 659661), (57, 289325), (71, 232275), (75, 219887), (95, 173595), (163, 101175), (213, 77425), (285, 57865), (355, 46455), (475, 34719), (489, 33725), (815, 20235), (1065, 15485), (1349, 12225), (1425, 11573), (1775, 9291), (2445, 6745), (3097, 5325), (4047, 4075)]