18450525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 33480000

約数和(自身を除く): 15029475

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 499, 725, 1275, 1479, 1497, 2175, 2465, 2495, 7395, 7485, 8483, 12325, 12475, 14471, 25449, 36975, 37425, 42415, 43413, 72355, 127245, 212075, 217065, 246007, 361775, 636225, 738021, 1085325, 1230035, 3690105, 6150175, 18450525]

約数ペア:

[(1, 18450525), (3, 6150175), (5, 3690105), (15, 1230035), (17, 1085325), (25, 738021), (29, 636225), (51, 361775), (75, 246007), (85, 217065), (87, 212075), (145, 127245), (255, 72355), (425, 43413), (435, 42415), (493, 37425), (499, 36975), (725, 25449), (1275, 14471), (1479, 12475), (1497, 12325), (2175, 8483), (2465, 7485), (2495, 7395)]