216211191

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{19031}}^1$

素因数の和:19582

約数の個数: 16

約数和(自身を含む): 330091008

約数和(自身を除く): 113879817

約数列:

[1, 3, 7, 21, 541, 1623, 3787, 11361, 19031, 57093, 133217, 399651, 10295771, 30887313, 72070397, 216211191]

約数ペア:

[(1, 216211191), (3, 72070397), (7, 30887313), (21, 10295771), (541, 399651), (1623, 133217), (3787, 57093), (11361, 19031)]