643365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:86

約数の個数: 36

約数和(自身を含む): 1222884

約数和(自身を除く): 579519

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 435, 493, 765, 841, 1305, 1479, 2465, 2523, 4205, 4437, 7395, 7569, 12615, 14297, 22185, 37845, 42891, 71485, 128673, 214455, 643365]

約数ペア:

[(1, 643365), (3, 214455), (5, 128673), (9, 71485), (15, 42891), (17, 37845), (29, 22185), (45, 14297), (51, 12615), (85, 7569), (87, 7395), (145, 4437), (153, 4205), (255, 2523), (261, 2465), (435, 1479), (493, 1305), (765, 841)]