72007215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{313}}^2$

素因数の和:648

約数の個数: 36

約数和(自身を含む): 134451144

約数和(自身を除く): 62443929

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 313, 735, 939, 1565, 2191, 4695, 6573, 10955, 15337, 32865, 46011, 76685, 97969, 230055, 293907, 489845, 685783, 1469535, 2057349, 3428915, 4800481, 10286745, 14401443, 24002405, 72007215]

約数ペア:

[(1, 72007215), (3, 24002405), (5, 14401443), (7, 10286745), (15, 4800481), (21, 3428915), (35, 2057349), (49, 1469535), (105, 685783), (147, 489845), (245, 293907), (313, 230055), (735, 97969), (939, 76685), (1565, 46011), (2191, 32865), (4695, 15337), (6573, 10955)]