199973487

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{23747}}^1$

素因数の和:24158

約数の個数: 16

約数和(自身を含む): 305494272

約数和(自身を除く): 105520785

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 8421, 23747, 71241, 166229, 498687, 9522547, 28567641, 66657829, 199973487]

約数ペア:

[(1, 199973487), (3, 66657829), (7, 28567641), (21, 9522547), (401, 498687), (1203, 166229), (2807, 71241), (8421, 23747)]