2551771131

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{90749}}^1$

素因数の和:90875

約数の個数: 32

約数和(自身を含む): 4228224000

約数和(自身を除く): 1676452869

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 9373, 28119, 90749, 272247, 635243, 1179737, 1905729, 3539211, 8258159, 9347147, 24774477, 28041441, 65430029, 121512911, 196290087, 364538733, 850590377, 2551771131]

約数ペア:

[(1, 2551771131), (3, 850590377), (7, 364538733), (13, 196290087), (21, 121512911), (39, 65430029), (91, 28041441), (103, 24774477), (273, 9347147), (309, 8258159), (721, 3539211), (1339, 1905729), (2163, 1179737), (4017, 635243), (9373, 272247), (28119, 90749)]