3997203

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 6141696

約数和(自身を除く): 2144493

約数列:

[1, 3, 7, 21, 131, 393, 917, 1453, 2751, 4359, 10171, 30513, 190343, 571029, 1332401, 3997203]

約数ペア:

[(1, 3997203), (3, 1332401), (7, 571029), (21, 190343), (131, 30513), (393, 10171), (917, 4359), (1453, 2751)]