387349719

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 540672000

約数和(自身を除く): 153322281

約数列:

[1, 3, 43, 79, 129, 191, 199, 237, 573, 597, 3397, 8213, 8557, 10191, 15089, 15721, 24639, 25671, 38009, 45267, 47163, 114027, 648827, 676003, 1634387, 1946481, 2028009, 3002711, 4903161, 9008133, 129116573, 387349719]

約数ペア:

[(1, 387349719), (3, 129116573), (43, 9008133), (79, 4903161), (129, 3002711), (191, 2028009), (199, 1946481), (237, 1634387), (573, 676003), (597, 648827), (3397, 114027), (8213, 47163), (8557, 45267), (10191, 38009), (15089, 25671), (15721, 24639)]