13435275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 25704704

約数和(自身を除く): 12269429

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 157, 163, 175, 471, 489, 525, 785, 815, 1099, 1141, 2355, 2445, 3297, 3423, 3925, 4075, 5495, 5705, 11775, 12225, 16485, 17115, 25591, 27475, 28525, 76773, 82425, 85575, 127955, 179137, 383865, 537411, 639775, 895685, 1919325, 2687055, 4478425, 13435275]

約数ペア:

[(1, 13435275), (3, 4478425), (5, 2687055), (7, 1919325), (15, 895685), (21, 639775), (25, 537411), (35, 383865), (75, 179137), (105, 127955), (157, 85575), (163, 82425), (175, 76773), (471, 28525), (489, 27475), (525, 25591), (785, 17115), (815, 16485), (1099, 12225), (1141, 11775), (2355, 5705), (2445, 5495), (3297, 4075), (3423, 3925)]