9891021

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1049}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 15120000

約数和(自身を除く): 5228979

約数列:

[1, 3, 7, 21, 449, 1049, 1347, 3143, 3147, 7343, 9429, 22029, 471001, 1413003, 3297007, 9891021]

約数ペア:

[(1, 9891021), (3, 3297007), (7, 1413003), (21, 471001), (449, 22029), (1049, 9429), (1347, 7343), (3143, 3147)]