16905207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{22273}}^1$

素因数の和:22310

約数の個数: 16

約数和(自身を含む): 25659648

約数和(自身を除く): 8754441

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 22273, 66819, 245003, 512279, 735009, 1536837, 5635069, 16905207]

約数ペア:

[(1, 16905207), (3, 5635069), (11, 1536837), (23, 735009), (33, 512279), (69, 245003), (253, 66819), (759, 22273)]