161253

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 262080

約数和(自身を除く): 100827

約数列:

[1, 3, 9, 19, 23, 41, 57, 69, 123, 171, 207, 369, 437, 779, 943, 1311, 2337, 2829, 3933, 7011, 8487, 17917, 53751, 161253]

約数ペア:

[(1, 161253), (3, 53751), (9, 17917), (19, 8487), (23, 7011), (41, 3933), (57, 2829), (69, 2337), (123, 1311), (171, 943), (207, 779), (369, 437)]