16828641

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{557}}^1$

素因数の和:942

約数の個数: 20

約数和(自身を含む): 25251732

約数和(自身を除く): 8423091

約数列:

[1, 3, 9, 27, 81, 373, 557, 1119, 1671, 3357, 5013, 10071, 15039, 30213, 45117, 207761, 623283, 1869849, 5609547, 16828641]

約数ペア:

[(1, 16828641), (3, 5609547), (9, 1869849), (27, 623283), (81, 207761), (373, 45117), (557, 30213), (1119, 15039), (1671, 10071), (3357, 5013)]