16846641

素因数分解:

$3^2\times 7^2\times {\mathrm{38201}}^1$

素因数の和:38221

約数の個数: 18

約数和(自身を含む): 28307682

約数和(自身を除く): 11461041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 38201, 114603, 267407, 343809, 802221, 1871849, 2406663, 5615547, 16846641]

約数ペア:

[(1, 16846641), (3, 5615547), (7, 2406663), (9, 1871849), (21, 802221), (49, 343809), (63, 267407), (147, 114603), (441, 38201)]