220172583

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 316108800

約数和(自身を除く): 95936217

約数列:

[1, 3, 23, 41, 69, 123, 223, 349, 669, 943, 1047, 2829, 5129, 8027, 9143, 14309, 15387, 24081, 27429, 42927, 77827, 210289, 233481, 329107, 630867, 987321, 1790021, 3190907, 5370063, 9572721, 73390861, 220172583]

約数ペア:

[(1, 220172583), (3, 73390861), (23, 9572721), (41, 5370063), (69, 3190907), (123, 1790021), (223, 987321), (349, 630867), (669, 329107), (943, 233481), (1047, 210289), (2829, 77827), (5129, 42927), (8027, 27429), (9143, 24081), (14309, 15387)]