1288897461

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{472643}}^1$

素因数の和:472753

約数の個数: 16

約数和(自身を含む): 1928387520

約数和(自身を除く): 639490059

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 472643, 1417929, 4253787, 12761361, 47736943, 143210829, 429632487, 1288897461]

約数ペア:

[(1, 1288897461), (3, 429632487), (9, 143210829), (27, 47736943), (101, 12761361), (303, 4253787), (909, 1417929), (2727, 472643)]