26715255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 51330048

約数和(自身を除く): 24614793

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 61, 97, 105, 129, 183, 215, 291, 301, 305, 427, 485, 645, 679, 903, 915, 1281, 1455, 1505, 2037, 2135, 2623, 3395, 4171, 4515, 5917, 6405, 7869, 10185, 12513, 13115, 17751, 18361, 20855, 29197, 29585, 39345, 41419, 55083, 62565, 87591, 88755, 91805, 124257, 145985, 207095, 254431, 275415, 437955, 621285, 763293, 1272155, 1781017, 3816465, 5343051, 8905085, 26715255]

約数ペア:

[(1, 26715255), (3, 8905085), (5, 5343051), (7, 3816465), (15, 1781017), (21, 1272155), (35, 763293), (43, 621285), (61, 437955), (97, 275415), (105, 254431), (129, 207095), (183, 145985), (215, 124257), (291, 91805), (301, 88755), (305, 87591), (427, 62565), (485, 55083), (645, 41419), (679, 39345), (903, 29585), (915, 29197), (1281, 20855), (1455, 18361), (1505, 17751), (2037, 13115), (2135, 12513), (2623, 10185), (3395, 7869), (4171, 6405), (4515, 5917)]