2439885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 4700160

約数和(自身を除く): 2260275

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1223, 1995, 3669, 6115, 8561, 18345, 23237, 25683, 42805, 69711, 116185, 128415, 162659, 348555, 487977, 813295, 2439885]

約数ペア:

[(1, 2439885), (3, 813295), (5, 487977), (7, 348555), (15, 162659), (19, 128415), (21, 116185), (35, 69711), (57, 42805), (95, 25683), (105, 23237), (133, 18345), (285, 8561), (399, 6115), (665, 3669), (1223, 1995)]