219871491

素因数分解:

$3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{27337}}^1$

素因数の和:27730

約数の個数: 16

約数和(自身を含む): 335929344

約数和(自身を除く): 116057853

約数列:

[1, 3, 7, 21, 383, 1149, 2681, 8043, 27337, 82011, 191359, 574077, 10470071, 31410213, 73290497, 219871491]

約数ペア:

[(1, 219871491), (3, 73290497), (7, 31410213), (21, 10470071), (383, 574077), (1149, 191359), (2681, 82011), (8043, 27337)]