28125195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{967}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 51667968

約数和(自身を除く): 23542773

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 277, 831, 967, 1385, 1939, 2901, 4155, 4835, 5817, 6769, 9695, 14505, 20307, 29085, 33845, 101535, 267859, 803577, 1339295, 1875013, 4017885, 5625039, 9375065, 28125195]

約数ペア:

[(1, 28125195), (3, 9375065), (5, 5625039), (7, 4017885), (15, 1875013), (21, 1339295), (35, 803577), (105, 267859), (277, 101535), (831, 33845), (967, 29085), (1385, 20307), (1939, 14505), (2901, 9695), (4155, 6769), (4835, 5817)]