2145151491

素因数分解:

$3^1\times 7^1\times {\mathrm{25999}}^1\times {\mathrm{3929}}^1$

素因数の和:29938

約数の個数: 16

約数和(自身を含む): 3269760000

約数和(自身を除く): 1124608509

約数列:

[1, 3, 7, 21, 3929, 11787, 25999, 27503, 77997, 82509, 181993, 545979, 102150071, 306450213, 715050497, 2145151491]

約数ペア:

[(1, 2145151491), (3, 715050497), (7, 306450213), (21, 102150071), (3929, 545979), (11787, 181993), (25999, 82509), (27503, 77997)]