30688357

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 37428480

約数和(自身を除く): 6740123

約数列:

[1, 7, 31, 49, 89, 217, 227, 623, 1519, 1589, 2759, 4361, 7037, 11123, 19313, 20203, 49259, 135191, 141421, 344813, 626293, 989947, 4384051, 30688357]

約数ペア:

[(1, 30688357), (7, 4384051), (31, 989947), (49, 626293), (89, 344813), (217, 141421), (227, 135191), (623, 49259), (1519, 20203), (1589, 19313), (2759, 11123), (4361, 7037)]