20191185

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9157}}^1$

素因数の和:9182

約数の個数: 36

約数和(自身を含む): 40716468

約数和(自身を除く): 20525283

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9157, 27471, 45785, 64099, 82413, 137355, 192297, 320495, 412065, 448693, 576891, 961485, 1346079, 2243465, 2884455, 4038237, 6730395, 20191185]

約数ペア:

[(1, 20191185), (3, 6730395), (5, 4038237), (7, 2884455), (9, 2243465), (15, 1346079), (21, 961485), (35, 576891), (45, 448693), (49, 412065), (63, 320495), (105, 192297), (147, 137355), (245, 82413), (315, 64099), (441, 45785), (735, 27471), (2205, 9157)]