38778921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1327}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 59664384

約数和(自身を除く): 20885463

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 1327, 1719, 3247, 3981, 9741, 11943, 22559, 29223, 67677, 203031, 253457, 760371, 2281113, 4308769, 12926307, 38778921]

約数ペア:

[(1, 38778921), (3, 12926307), (9, 4308769), (17, 2281113), (51, 760371), (153, 253457), (191, 203031), (573, 67677), (1327, 29223), (1719, 22559), (3247, 11943), (3981, 9741)]