15815605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 5957195

約数列:

[1, 5, 13, 23, 65, 71, 115, 149, 299, 355, 745, 923, 1495, 1633, 1937, 3427, 4615, 8165, 9685, 10579, 17135, 21229, 44551, 52895, 106145, 137527, 222755, 243317, 687635, 1216585, 3163121, 15815605]

約数ペア:

[(1, 15815605), (5, 3163121), (13, 1216585), (23, 687635), (65, 243317), (71, 222755), (115, 137527), (149, 106145), (299, 52895), (355, 44551), (745, 21229), (923, 17135), (1495, 10579), (1633, 9685), (1937, 8165), (3427, 4615)]